113427840 has 64 divisors (see below), whose sum is σ = 361557360. Its totient is φ = 30246912.

The previous prime is 113427803. The next prime is 113427841. The reversal of 113427840 is 48724311.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 113427798 and 113427807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113427841) 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, 27619 + ... + 31458.

Almost surely, 2^113427840 is an apocalyptic number.

113427840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113427840 is an abundant number, since it is smaller than the sum of its proper divisors (248129520).

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

113427840 is an equidigital number, since it uses as much as digits as its factorization.

113427840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59099 (or 59087 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 113427840 is about 10650.2507012746. The cubic root of 113427840 is about 484.0682006664.

The spelling of 113427840 in words is "one hundred thirteen million, four hundred twenty-seven thousand, eight hundred forty".