137635117 has 4 divisors (see below), whose sum is σ = 140232060. Its totient is φ = 135038176.

The previous prime is 137635103. The next prime is 137635123. The reversal of 137635117 is 711536731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108701476 + 28933641 = 10426^2 + 5379^2 .

It is a cyclic number.

It is not a de Polignac number, because 137635117 - 2⁷ = 137634989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137635187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298392 + ... + 1298497.

It is an arithmetic number, because the mean of its divisors is an integer number (35058015).

Almost surely, 2^137635117 is an apocalyptic number.

It is an amenable number.

137635117 is a deficient number, since it is larger than the sum of its proper divisors (2596943).

137635117 is an equidigital number, since it uses as much as digits as its factorization.

137635117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596942.

The product of its digits is 13230, while the sum is 34.

The square root of 137635117 is about 11731.7993931025. The cubic root of 137635117 is about 516.3090673405.

The spelling of 137635117 in words is "one hundred thirty-seven million, six hundred thirty-five thousand, one hundred seventeen".