111293138 has 24 divisors (see below), whose sum is σ = 184497600. Its totient is φ = 50311800.

The previous prime is 111293137. The next prime is 111293153. The reversal of 111293138 is 831392111.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111293138.

It is not an unprimeable number, because it can be changed into a prime (111293137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47003 + ... + 49313.

It is an arithmetic number, because the mean of its divisors is an integer number (7687400).

Almost surely, 2^111293138 is an apocalyptic number.

111293138 is a deficient number, since it is larger than the sum of its proper divisors (73204462).

111293138 is a wasteful number, since it uses less digits than its factorization.

111293138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2523 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 111293138 is about 10549.5562939870. The cubic root of 111293138 is about 481.0122417402.

The spelling of 111293138 in words is "one hundred eleven million, two hundred ninety-three thousand, one hundred thirty-eight".