113220693138 has 32 divisors (see below), whose sum is σ = 258887301120. Its totient is φ = 32336626320.

The previous prime is 113220693137. The next prime is 113220693139. The reversal of 113220693138 is 831396022311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113220693137) and next prime (113220693139).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113220693096 and 113220693105.

It is not an unprimeable number, because it can be changed into a prime (113220693137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392448 + ... + 616811.

It is an arithmetic number, because the mean of its divisors is an integer number (8090228160).

Almost surely, 2^113220693138 is an apocalyptic number.

113220693138 is an abundant number, since it is smaller than the sum of its proper divisors (145666607982).

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

113220693138 is a wasteful number, since it uses less digits than its factorization.

113220693138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011942.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 113220693138 in words is "one hundred thirteen billion, two hundred twenty million, six hundred ninety-three thousand, one hundred thirty-eight".