113645386 has 4 divisors (see below), whose sum is σ = 170468082. Its totient is φ = 56822692.

The previous prime is 113645383. The next prime is 113645401. The reversal of 113645386 is 683546311.

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., 99620361 + 14025025 = 9981^2 + 3745^2 .

It is not an unprimeable number, because it can be changed into a prime (113645381) 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, 28411345 + ... + 28411348.

Almost surely, 2^113645386 is an apocalyptic number.

113645386 is a deficient number, since it is larger than the sum of its proper divisors (56822696).

113645386 is an equidigital number, since it uses as much as digits as its factorization.

113645386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56822695.

The product of its digits is 51840, while the sum is 37.

The square root of 113645386 is about 10660.4589957469. The cubic root of 113645386 is about 484.3774717376.

The spelling of 113645386 in words is "one hundred thirteen million, six hundred forty-five thousand, three hundred eighty-six".