113207940 has 72 divisors (see below), whose sum is σ = 344274840. Its totient is φ = 30111744.

The previous prime is 113207923. The next prime is 113207953. The reversal of 113207940 is 49702311.

It can be written as a sum of positive squares in 4 ways, for example, as 13527684 + 99680256 = 3678^2 + 9984^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121396 + ... + 122324.

It is an arithmetic number, because the mean of its divisors is an integer number (4781595).

Almost surely, 2^113207940 is an apocalyptic number.

113207940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113207940 is an abundant number, since it is smaller than the sum of its proper divisors (231066900).

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

113207940 is a wasteful number, since it uses less digits than its factorization.

113207940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 113207940 is about 10639.9219921952. The cubic root of 113207940 is about 483.7551809232.

The spelling of 113207940 in words is "one hundred thirteen million, two hundred seven thousand, nine hundred forty".