113513530 has 32 divisors (see below), whose sum is σ = 220541328. Its totient is φ = 41817600.

The previous prime is 113513527. The next prime is 113513531. The reversal of 113513530 is 35315311.

It can be written as a sum of positive squares in 8 ways, for example, as 73051209 + 40462321 = 8547^2 + 6361^2 .

It is not an unprimeable number, because it can be changed into a prime (113513531) 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 15 ways as a sum of consecutive naturals, for example, 85270 + ... + 86590.

Almost surely, 2^113513530 is an apocalyptic number.

113513530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113513530 is a deficient number, since it is larger than the sum of its proper divisors (107027798).

113513530 is a wasteful number, since it uses less digits than its factorization.

113513530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 113513530 is about 10654.2728517717. The cubic root of 113513530 is about 484.1900677585.

Adding to 113513530 its reverse (35315311), we get a palindrome (148828841).

The spelling of 113513530 in words is "one hundred thirteen million, five hundred thirteen thousand, five hundred thirty".