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134183407 = 314328497
BaseRepresentation
bin1111111111101…
…11100111101111
3100100111020000211
413333313213233
5233322332112
621152003251
73216353161
oct777674757
9310436024
10134183407
1169819a86
1238b30527
1321a51987
1413b6c931
15bba80a7
hex7ff79ef

134183407 has 4 divisors (see below), whose sum is σ = 138511936. Its totient is φ = 129854880.

The previous prime is 134183383. The next prime is 134183411. The reversal of 134183407 is 704381431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704381431 = 1354183187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134183407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 4328497 = 134183407 / (1 + 3 + 4 + 1 + 8 + 3 + 4 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134183437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164218 + ... + 2164279.

It is an arithmetic number, because the mean of its divisors is an integer number (34627984).

Almost surely, 2134183407 is an apocalyptic number.

134183407 is a deficient number, since it is larger than the sum of its proper divisors (4328529).

134183407 is an equidigital number, since it uses as much as digits as its factorization.

134183407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328528.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 134183407 is about 11583.7561697405. The cubic root of 134183407 is about 511.9563548713.

It can be divided in two parts, 1341 and 83407, that added together give a palindrome (84748).

The spelling of 134183407 in words is "one hundred thirty-four million, one hundred eighty-three thousand, four hundred seven".

Divisors: 1 31 4328497 134183407