113537642 has 4 divisors (see below), whose sum is σ = 170306466. Its totient is φ = 56768820.

The previous prime is 113537617. The next prime is 113537681. The reversal of 113537642 is 246735311.

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., 89321401 + 24216241 = 9451^2 + 4921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113537599 and 113537608.

It is an unprimeable number.

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, 28384409 + ... + 28384412.

Almost surely, 2^113537642 is an apocalyptic number.

113537642 is a deficient number, since it is larger than the sum of its proper divisors (56768824).

113537642 is an equidigital number, since it uses as much as digits as its factorization.

113537642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56768823.

The product of its digits is 15120, while the sum is 32.

The square root of 113537642 is about 10655.4043564756. The cubic root of 113537642 is about 484.2243484426.

The spelling of 113537642 in words is "one hundred thirteen million, five hundred thirty-seven thousand, six hundred forty-two".