113939402 has 8 divisors (see below), whose sum is σ = 172829700. Its totient is φ = 56329504.

The previous prime is 113939393. The next prime is 113939417. The reversal of 113939402 is 204939311.

It can be written as a sum of positive squares in 2 ways, for example, as 111746041 + 2193361 = 10571^2 + 1481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319877 + ... + 320232.

Almost surely, 2^113939402 is an apocalyptic number.

113939402 is a deficient number, since it is larger than the sum of its proper divisors (58890298).

113939402 is an equidigital number, since it uses as much as digits as its factorization.

113939402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640200.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 113939402 is about 10674.2401134694. The cubic root of 113939402 is about 484.7948287243.

Subtracting 113939402 from its reverse (204939311), we obtain a palindrome (90999909).

The spelling of 113939402 in words is "one hundred thirteen million, nine hundred thirty-nine thousand, four hundred two".