113132778 has 16 divisors (see below), whose sum is σ = 246835296. Its totient is φ = 34282640.

The previous prime is 113132777. The next prime is 113132809. The reversal of 113132778 is 877231311.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (113132777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857001 + ... + 857132.

It is an arithmetic number, because the mean of its divisors is an integer number (15427206).

Almost surely, 2^113132778 is an apocalyptic number.

113132778 is an abundant number, since it is smaller than the sum of its proper divisors (133702518).

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

113132778 is a wasteful number, since it uses less digits than its factorization.

113132778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714149.

The product of its digits is 7056, while the sum is 33.

The square root of 113132778 is about 10636.3893309713. The cubic root of 113132778 is about 483.6480975723.

The spelling of 113132778 in words is "one hundred thirteen million, one hundred thirty-two thousand, seven hundred seventy-eight".