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134106839 = 472853337
BaseRepresentation
bin1111111111001…
…00111011010111
3100100100022222222
413333210323113
5233312404324
621150212555
73215614016
oct777447327
9310308888
10134106839
11697774a9
1238ab415b
1321a25b79
1413b4ca7d
15bb9055e
hex7fe4ed7

134106839 has 4 divisors (see below), whose sum is σ = 136960224. Its totient is φ = 131253456.

The previous prime is 134106827. The next prime is 134106851. The reversal of 134106839 is 938601431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938601431 = 4871927313.

It is an interprime number because it is at equal distance from previous prime (134106827) and next prime (134106851).

It is a cyclic number.

It is not a de Polignac number, because 134106839 - 212 = 134102743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134106799 and 134106808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134106139) 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, 1426622 + ... + 1426715.

It is an arithmetic number, because the mean of its divisors is an integer number (34240056).

Almost surely, 2134106839 is an apocalyptic number.

134106839 is a deficient number, since it is larger than the sum of its proper divisors (2853385).

134106839 is an equidigital number, since it uses as much as digits as its factorization.

134106839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853384.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 134106839 is about 11580.4507252525. The cubic root of 134106839 is about 511.8589584956.

The spelling of 134106839 in words is "one hundred thirty-four million, one hundred six thousand, eight hundred thirty-nine".

Divisors: 1 47 2853337 134106839