111749136 has 20 divisors (see below), whose sum is σ = 288685392. Its totient is φ = 37249696.

The previous prime is 111749107. The next prime is 111749153. The reversal of 111749136 is 631947111.

It is a junction number, because it is equal to n+sod(n) for n = 111749097 and 111749106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164006 + ... + 1164101.

Almost surely, 2^111749136 is an apocalyptic number.

111749136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111749136 is an abundant number, since it is smaller than the sum of its proper divisors (176936256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111749136 is a wasteful number, since it uses less digits than its factorization.

111749136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328118 (or 2328112 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 111749136 is about 10571.1463900563. The cubic root of 111749136 is about 481.6682921739.

The spelling of 111749136 in words is "one hundred eleven million, seven hundred forty-nine thousand, one hundred thirty-six".