113764531 has 4 divisors (see below), whose sum is σ = 115135272. Its totient is φ = 112393792.

The previous prime is 113764501. The next prime is 113764579. The reversal of 113764531 is 135467311.

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

It is a cyclic number.

It is not a de Polignac number, because 113764531 - 2⁷ = 113764403 is a prime.

It is a super-2 number, since 2×113764531² = 25884737027299922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113764493 and 113764502.

It is not an unprimeable number, because it can be changed into a prime (113764501) 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, 685246 + ... + 685411.

It is an arithmetic number, because the mean of its divisors is an integer number (28783818).

Almost surely, 2^113764531 is an apocalyptic number.

113764531 is a deficient number, since it is larger than the sum of its proper divisors (1370741).

113764531 is an equidigital number, since it uses as much as digits as its factorization.

113764531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370740.

The product of its digits is 7560, while the sum is 31.

The square root of 113764531 is about 10666.0457058837. The cubic root of 113764531 is about 484.5466852290.

The spelling of 113764531 in words is "one hundred thirteen million, seven hundred sixty-four thousand, five hundred thirty-one".