113522765 has 4 divisors (see below), whose sum is σ = 136227324. Its totient is φ = 90818208.

The previous prime is 113522741. The next prime is 113522797. The reversal of 113522765 is 567225311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 567225311 = 22699 ⋅24989.

It can be written as a sum of positive squares in 2 ways, for example, as 34703881 + 78818884 = 5891^2 + 8878^2 .

It is a cyclic number.

It is not a de Polignac number, because 113522765 - 2⁸ = 113522509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11352272 + ... + 11352281.

It is an arithmetic number, because the mean of its divisors is an integer number (34056831).

Almost surely, 2^113522765 is an apocalyptic number.

It is an amenable number.

113522765 is a deficient number, since it is larger than the sum of its proper divisors (22704559).

113522765 is an equidigital number, since it uses as much as digits as its factorization.

113522765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22704558.

The product of its digits is 12600, while the sum is 32.

The square root of 113522765 is about 10654.7062371517. The cubic root of 113522765 is about 484.2031979819.

The spelling of 113522765 in words is "one hundred thirteen million, five hundred twenty-two thousand, seven hundred sixty-five".