112155139 has 2 divisors, whose sum is σ = 112155140. Its totient is φ = 112155138.

The previous prime is 112155101. The next prime is 112155163. The reversal of 112155139 is 931551211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112155139 - 2⁷ = 112155011 is a prime.

It is not a weakly prime, because it can be changed into another prime (112155539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56077569 + 56077570.

It is an arithmetic number, because the mean of its divisors is an integer number (56077570).

Almost surely, 2^112155139 is an apocalyptic number.

112155139 is a deficient number, since it is larger than the sum of its proper divisors (1).

112155139 is an equidigital number, since it uses as much as digits as its factorization.

112155139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 28.

The square root of 112155139 is about 10590.3323366172. The cubic root of 112155139 is about 482.2509138778.

The spelling of 112155139 in words is "one hundred twelve million, one hundred fifty-five thousand, one hundred thirty-nine".