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134045251 = 409327739
BaseRepresentation
bin1111111110101…
…01111001000011
3100100020012111221
413333111321003
5233303422001
621145015511
73215236324
oct777257103
9310205457
10134045251
11697351aa
1238a84597
1321a03b22
1413b3444b
15bb7c1a1
hex7fd5e43

134045251 has 4 divisors (see below), whose sum is σ = 134373400. Its totient is φ = 133717104.

The previous prime is 134045207. The next prime is 134045273. The reversal of 134045251 is 152540431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152540431 = 191798641.

It is a cyclic number.

It is not a de Polignac number, because 134045251 - 27 = 134045123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134045201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163461 + ... + 164278.

It is an arithmetic number, because the mean of its divisors is an integer number (33593350).

Almost surely, 2134045251 is an apocalyptic number.

134045251 is a deficient number, since it is larger than the sum of its proper divisors (328149).

134045251 is an equidigital number, since it uses as much as digits as its factorization.

134045251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328148.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 134045251 is about 11577.7912833148. The cubic root of 134045251 is about 511.7805901419.

Adding to 134045251 its reverse (152540431), we get a palindrome (286585682).

The spelling of 134045251 in words is "one hundred thirty-four million, forty-five thousand, two hundred fifty-one".

Divisors: 1 409 327739 134045251