113181400 has 24 divisors (see below), whose sum is σ = 263147220. Its totient is φ = 45272480.

The previous prime is 113181379. The next prime is 113181401. The reversal of 113181400 is 4181311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113181401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282754 + ... + 283153.

Almost surely, 2^113181400 is an apocalyptic number.

113181400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113181400 is an abundant number, since it is smaller than the sum of its proper divisors (149965820).

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

113181400 is a wasteful number, since it uses less digits than its factorization.

113181400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565923 (or 565914 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 113181400 is about 10638.6747294952. The cubic root of 113181400 is about 483.7173747825.

The spelling of 113181400 in words is "one hundred thirteen million, one hundred eighty-one thousand, four hundred".