113420644 has 6 divisors (see below), whose sum is σ = 198486134. Its totient is φ = 56710320.

The previous prime is 113420641. The next prime is 113420663. The reversal of 113420644 is 446024311.

It can be written as a sum of positive squares in only one way, i.e., 109998144 + 3422500 = 10488^2 + 1850^2 .

It is not an unprimeable number, because it can be changed into a prime (113420641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14177577 + ... + 14177584.

Almost surely, 2^113420644 is an apocalyptic number.

It is an amenable number.

113420644 is a deficient number, since it is larger than the sum of its proper divisors (85065490).

113420644 is a wasteful number, since it uses less digits than its factorization.

113420644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28355165 (or 28355163 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 113420644 is about 10649.9128634933. The cubic root of 113420644 is about 484.0579638250.

Adding to 113420644 its reverse (446024311), we get a palindrome (559444955).

The spelling of 113420644 in words is "one hundred thirteen million, four hundred twenty thousand, six hundred forty-four".