113149599 has 4 divisors (see below), whose sum is σ = 150866136. Its totient is φ = 75433064.

The previous prime is 113149583. The next prime is 113149601. The reversal of 113149599 is 995941311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113149599 - 2⁴ = 113149583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113149599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113149529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18858264 + ... + 18858269.

It is an arithmetic number, because the mean of its divisors is an integer number (37716534).

Almost surely, 2^113149599 is an apocalyptic number.

113149599 is a deficient number, since it is larger than the sum of its proper divisors (37716537).

113149599 is an equidigital number, since it uses as much as digits as its factorization.

113149599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37716536.

The product of its digits is 43740, while the sum is 42.

The square root of 113149599 is about 10637.1800304404. The cubic root of 113149599 is about 483.6720665806.

The spelling of 113149599 in words is "one hundred thirteen million, one hundred forty-nine thousand, five hundred ninety-nine".