162139007 has 2 divisors, whose sum is σ = 162139008. Its totient is φ = 162139006.

The previous prime is 162138973. The next prime is 162139039. The reversal of 162139007 is 700931261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162139007 - 2¹⁸ = 161876863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162139097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81069503 + 81069504.

It is an arithmetic number, because the mean of its divisors is an integer number (81069504).

Almost surely, 2^162139007 is an apocalyptic number.

162139007 is a deficient number, since it is larger than the sum of its proper divisors (1).

162139007 is an equidigital number, since it uses as much as digits as its factorization.

162139007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 162139007 is about 12733.3816011302. The cubic root of 162139007 is about 545.2920545592.

The spelling of 162139007 in words is "one hundred sixty-two million, one hundred thirty-nine thousand, seven".