163174139 has 2 divisors, whose sum is σ = 163174140. Its totient is φ = 163174138.

The previous prime is 163174133. The next prime is 163174157. The reversal of 163174139 is 931471361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163174139 - 2²⁰ = 162125563 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 163174099 and 163174108.

It is not a weakly prime, because it can be changed into another prime (163174133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81587069 + 81587070.

It is an arithmetic number, because the mean of its divisors is an integer number (81587070).

Almost surely, 2^163174139 is an apocalyptic number.

163174139 is a deficient number, since it is larger than the sum of its proper divisors (1).

163174139 is an equidigital number, since it uses as much as digits as its factorization.

163174139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 163174139 is about 12773.9633238866. The cubic root of 163174139 is about 546.4500163134.

The spelling of 163174139 in words is "one hundred sixty-three million, one hundred seventy-four thousand, one hundred thirty-nine".