113133530 has 32 divisors (see below), whose sum is σ = 209226240. Its totient is φ = 44029440.

The previous prime is 113133529. The next prime is 113133533. The reversal of 113133530 is 35331311.

It is a super-2 number, since 2×113133530² = 25598391220521800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113133533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55082 + ... + 57098.

It is an arithmetic number, because the mean of its divisors is an integer number (6538320).

Almost surely, 2^113133530 is an apocalyptic number.

113133530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113133530 is a deficient number, since it is larger than the sum of its proper divisors (96092710).

113133530 is a wasteful number, since it uses less digits than its factorization.

113133530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 113133530 is about 10636.4246812545. The cubic root of 113133530 is about 483.6491691821.

Adding to 113133530 its reverse (35331311), we get a palindrome (148464841).

The spelling of 113133530 in words is "one hundred thirteen million, one hundred thirty-three thousand, five hundred thirty".