113190640 has 40 divisors (see below), whose sum is σ = 264567888. Its totient is φ = 45035520.

The previous prime is 113190559. The next prime is 113190653. The reversal of 113190640 is 46091311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11775 + ... + 19105.

Almost surely, 2^113190640 is an apocalyptic number.

113190640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113190640 is an abundant number, since it is smaller than the sum of its proper divisors (151377248).

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

113190640 is a wasteful number, since it uses less digits than its factorization.

113190640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 113190640 is about 10639.1089852487. The cubic root of 113190640 is about 483.7305378020.

The spelling of 113190640 in words is "one hundred thirteen million, one hundred ninety thousand, six hundred forty".