113404402 has 4 divisors (see below), whose sum is σ = 170106606. Its totient is φ = 56702200.

The previous prime is 113404391. The next prime is 113404411. The reversal of 113404402 is 204404311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100580841 + 12823561 = 10029^2 + 3581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113404402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28351099 + ... + 28351102.

Almost surely, 2^113404402 is an apocalyptic number.

113404402 is a deficient number, since it is larger than the sum of its proper divisors (56702204).

113404402 is an equidigital number, since it uses as much as digits as its factorization.

113404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56702203.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 113404402 is about 10649.1502947418. The cubic root of 113404402 is about 484.0348567888.

Adding to 113404402 its reverse (204404311), we get a palindrome (317808713).

Subtracting 113404402 from its reverse (204404311), we obtain a palindrome (90999909).

The spelling of 113404402 in words is "one hundred thirteen million, four hundred four thousand, four hundred two".