113512394 has 4 divisors (see below), whose sum is σ = 170268594. Its totient is φ = 56756196.

The previous prime is 113512387. The next prime is 113512397. The reversal of 113512394 is 493215311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 493215311 = 7109 ⋅69379.

It can be written as a sum of positive squares in only one way, i.e., 88642225 + 24870169 = 9415^2 + 4987^2 .

It is a super-2 number, since 2×113512394² = 25770127183222472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113512397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28378097 + ... + 28378100.

Almost surely, 2^113512394 is an apocalyptic number.

113512394 is a deficient number, since it is larger than the sum of its proper divisors (56756200).

113512394 is an equidigital number, since it uses as much as digits as its factorization.

113512394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56756199.

The product of its digits is 3240, while the sum is 29.

The square root of 113512394 is about 10654.2195396941. The cubic root of 113512394 is about 484.1884525568.

The spelling of 113512394 in words is "one hundred thirteen million, five hundred twelve thousand, three hundred ninety-four".