113536945 has 16 divisors (see below), whose sum is σ = 140253120. Its totient is φ = 88195264.

The previous prime is 113536919. The next prime is 113536949. The reversal of 113536945 is 549635311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113536945 - 2¹⁹ = 113012657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113536949) 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, 22167 + ... + 26803.

It is an arithmetic number, because the mean of its divisors is an integer number (8765820).

Almost surely, 2^113536945 is an apocalyptic number.

It is an amenable number.

113536945 is a deficient number, since it is larger than the sum of its proper divisors (26716175).

113536945 is an equidigital number, since it uses as much as digits as its factorization.

113536945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784.

The product of its digits is 48600, while the sum is 37.

The square root of 113536945 is about 10655.3716500177. The cubic root of 113536945 is about 484.2233575669.

It can be divided in two parts, 113536 and 945, that added together give a triangular number (114481 = T₄₇₈).

The spelling of 113536945 in words is "one hundred thirteen million, five hundred thirty-six thousand, nine hundred forty-five".