149057512139 has 2 divisors, whose sum is σ = 149057512140. Its totient is φ = 149057512138.

The previous prime is 149057512103. The next prime is 149057512169. The reversal of 149057512139 is 931215750941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149057512139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149057512093 and 149057512102.

It is not a weakly prime, because it can be changed into another prime (149057512169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74528756069 + 74528756070.

It is an arithmetic number, because the mean of its divisors is an integer number (74528756070).

Almost surely, 2^149057512139 is an apocalyptic number.

149057512139 is a deficient number, since it is larger than the sum of its proper divisors (1).

149057512139 is an equidigital number, since it uses as much as digits as its factorization.

149057512139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 149057512139 in words is "one hundred forty-nine billion, fifty-seven million, five hundred twelve thousand, one hundred thirty-nine".