153912139 has 2 divisors, whose sum is σ = 153912140. Its totient is φ = 153912138.

The previous prime is 153912079. The next prime is 153912163. The reversal of 153912139 is 931219351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 153912139 - 2¹³ = 153903947 is a prime.

It is not a weakly prime, because it can be changed into another prime (153910139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76956069 + 76956070.

It is an arithmetic number, because the mean of its divisors is an integer number (76956070).

Almost surely, 2^153912139 is an apocalyptic number.

153912139 is a deficient number, since it is larger than the sum of its proper divisors (1).

153912139 is an equidigital number, since it uses as much as digits as its factorization.

153912139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 34.

The square root of 153912139 is about 12406.1331203562. The cubic root of 153912139 is about 535.9088856689.

The spelling of 153912139 in words is "one hundred fifty-three million, nine hundred twelve thousand, one hundred thirty-nine".