113634649 has 16 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 105022224.

The previous prime is 113634637. The next prime is 113634667. The reversal of 113634649 is 946436311.

It is a cyclic number.

It is not a de Polignac number, because 113634649 - 2²¹ = 111537497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113634679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186904 + ... + 187510.

It is an arithmetic number, because the mean of its divisors is an integer number (7660800).

Almost surely, 2^113634649 is an apocalyptic number.

113634649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

113634649 is a deficient number, since it is larger than the sum of its proper divisors (8938151).

113634649 is a wasteful number, since it uses less digits than its factorization.

113634649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its digits is 46656, while the sum is 37.

The square root of 113634649 is about 10659.9553939029. The cubic root of 113634649 is about 484.3622169030.

The spelling of 113634649 in words is "one hundred thirteen million, six hundred thirty-four thousand, six hundred forty-nine".