113147892 has 144 divisors (see below), whose sum is σ = 347343360. Its totient is φ = 30585600.

The previous prime is 113147873. The next prime is 113147897. The reversal of 113147892 is 298741311.

It is a happy number.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113147897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159234 + ... + 159942.

Almost surely, 2^113147892 is an apocalyptic number.

113147892 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 113147892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173671680).

113147892 is an abundant number, since it is smaller than the sum of its proper divisors (234195468).

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

113147892 is a wasteful number, since it uses less digits than its factorization.

113147892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 769 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 113147892 is about 10637.0997927067. The cubic root of 113147892 is about 483.6696343069.

The spelling of 113147892 in words is "one hundred thirteen million, one hundred forty-seven thousand, eight hundred ninety-two".