113161420 has 12 divisors (see below), whose sum is σ = 237639024. Its totient is φ = 45264560.

The previous prime is 113161387. The next prime is 113161421. The reversal of 113161420 is 24161311.

It is not an unprimeable number, because it can be changed into a prime (113161421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829016 + ... + 2829055.

It is an arithmetic number, because the mean of its divisors is an integer number (19803252).

Almost surely, 2^113161420 is an apocalyptic number.

113161420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113161420 is an abundant number, since it is smaller than the sum of its proper divisors (124477604).

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

113161420 is a wasteful number, since it uses less digits than its factorization.

113161420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658080 (or 5658078 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 113161420 is about 10637.7356613144. The cubic root of 113161420 is about 483.6889094401.

The spelling of 113161420 in words is "one hundred thirteen million, one hundred sixty-one thousand, four hundred twenty".