113412402 has 24 divisors (see below), whose sum is σ = 256411584. Its totient is φ = 36160344.

The previous prime is 113412391. The next prime is 113412407. The reversal of 113412402 is 204214311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (113412407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136558 + ... + 137385.

It is an arithmetic number, because the mean of its divisors is an integer number (10683816).

Almost surely, 2^113412402 is an apocalyptic number.

113412402 is an abundant number, since it is smaller than the sum of its proper divisors (142999182).

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

113412402 is a wasteful number, since it uses less digits than its factorization.

113412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273974 (or 273971 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 113412402 is about 10649.5259049406. The cubic root of 113412402 is about 484.0462384393.

Adding to 113412402 its reverse (204214311), we get a palindrome (317626713).

The spelling of 113412402 in words is "one hundred thirteen million, four hundred twelve thousand, four hundred two".