113682918137 has 8 divisors (see below), whose sum is σ = 116760697416. Its totient is φ = 110605416192.

The previous prime is 113682918121. The next prime is 113682918157. The reversal of 113682918137 is 731819286311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1116629056 + 112566289081 = 33416^2 + 335509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113682918137 - 2⁴ = 113682918121 is a prime.

It is a super-2 number, since 2×113682918137² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113682918157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969323 + ... + 1080255.

It is an arithmetic number, because the mean of its divisors is an integer number (14595087177).

Almost surely, 2^113682918137 is an apocalyptic number.

It is an amenable number.

113682918137 is a deficient number, since it is larger than the sum of its proper divisors (3077779279).

113682918137 is a wasteful number, since it uses less digits than its factorization.

113682918137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138667.

The product of its digits is 435456, while the sum is 50.

The spelling of 113682918137 in words is "one hundred thirteen billion, six hundred eighty-two million, nine hundred eighteen thousand, one hundred thirty-seven".