113031539136 has 84 divisors (see below), whose sum is σ = 324067895424. Its totient is φ = 37667481600.

The previous prime is 113031539123. The next prime is 113031539189. The reversal of 113031539136 is 631935130311.

113031539136 is a `hidden beast` number, since 113 + 0 + 3 + 1 + 539 + 1 + 3 + 6 = 666.

It is a super-2 number, since 2×113031539136² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 113031539136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2419681 + ... + 2465951.

It is an arithmetic number, because the mean of its divisors is an integer number (3857951136).

Almost surely, 2^113031539136 is an apocalyptic number.

113031539136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

113031539136 is an abundant number, since it is smaller than the sum of its proper divisors (211036356288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113031539136 is a wasteful number, since it uses less digits than its factorization.

113031539136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50530 (or 50517 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

Adding to 113031539136 its reverse (631935130311), we get a palindrome (744966669447).

The spelling of 113031539136 in words is "one hundred thirteen billion, thirty-one million, five hundred thirty-nine thousand, one hundred thirty-six".