111749134 has 48 divisors (see below), whose sum is σ = 203857920. Its totient is φ = 44993520.

The previous prime is 111749107. The next prime is 111749153. The reversal of 111749134 is 431947111.

It is a junction number, because it is equal to n+sod(n) for n = 111749096 and 111749105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584979 + ... + 585169.

It is an arithmetic number, because the mean of its divisors is an integer number (4247040).

Almost surely, 2^111749134 is an apocalyptic number.

111749134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111749134 is a deficient number, since it is larger than the sum of its proper divisors (92108786).

111749134 is a wasteful number, since it uses less digits than its factorization.

111749134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 302 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 111749134 is about 10571.1462954592. The cubic root of 111749134 is about 481.6682893004.

The spelling of 111749134 in words is "one hundred eleven million, seven hundred forty-nine thousand, one hundred thirty-four".