113161392 has 120 divisors (see below), whose sum is σ = 331149936. Its totient is φ = 36039168.

The previous prime is 113161387. The next prime is 113161421. The reversal of 113161392 is 293161311.

113161392 is a `hidden beast` number, since 11 + 31 + 613 + 9 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356818 + ... + 357134.

Almost surely, 2^113161392 is an apocalyptic number.

113161392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113161392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165574968).

113161392 is an abundant number, since it is smaller than the sum of its proper divisors (217988544).

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

113161392 is a wasteful number, since it uses less digits than its factorization.

113161392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 426 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 113161392 is about 10637.7343452448. The cubic root of 113161392 is about 483.6888695464.

The spelling of 113161392 in words is "one hundred thirteen million, one hundred sixty-one thousand, three hundred ninety-two".