113509904 has 10 divisors (see below), whose sum is σ = 219925470. Its totient is φ = 56754944.

The previous prime is 113509897. The next prime is 113509919. The reversal of 113509904 is 409905311.

It can be written as a sum of positive squares in only one way, i.e., 113209600 + 300304 = 10640^2 + 548^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3547169 + ... + 3547200.

It is an arithmetic number, because the mean of its divisors is an integer number (21992547).

Almost surely, 2^113509904 is an apocalyptic number.

It is an amenable number.

113509904 is a deficient number, since it is larger than the sum of its proper divisors (106415566).

113509904 is an equidigital number, since it uses as much as digits as its factorization.

113509904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094377 (or 7094371 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 113509904 is about 10654.1026839429. The cubic root of 113509904 is about 484.1849121562.

The spelling of 113509904 in words is "one hundred thirteen million, five hundred nine thousand, nine hundred four".