113640530 has 16 divisors (see below), whose sum is σ = 205046424. Its totient is φ = 45346560.

The previous prime is 113640521. The next prime is 113640547. The reversal of 113640530 is 35046311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22762441 + 90878089 = 4771^2 + 9533^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113640496 and 113640505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9287 + ... + 17706.

Almost surely, 2^113640530 is an apocalyptic number.

113640530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113640530 is a deficient number, since it is larger than the sum of its proper divisors (91405894).

113640530 is a wasteful number, since it uses less digits than its factorization.

113640530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27421.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 113640530 is about 10660.2312357659. The cubic root of 113640530 is about 484.3705725853.

Adding to 113640530 its reverse (35046311), we get a palindrome (148686841).

The spelling of 113640530 in words is "one hundred thirteen million, six hundred forty thousand, five hundred thirty".