149269692139 has 2 divisors, whose sum is σ = 149269692140. Its totient is φ = 149269692138.

The previous prime is 149269692137. The next prime is 149269692149. The reversal of 149269692139 is 931296962941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149269692139 - 2¹ = 149269692137 is a prime.

Together with 149269692137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (149269692133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74634846069 + 74634846070.

It is an arithmetic number, because the mean of its divisors is an integer number (74634846070).

Almost surely, 2^149269692139 is an apocalyptic number.

149269692139 is a deficient number, since it is larger than the sum of its proper divisors (1).

149269692139 is an equidigital number, since it uses as much as digits as its factorization.

149269692139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 61.

The spelling of 149269692139 in words is "one hundred forty-nine billion, two hundred sixty-nine million, six hundred ninety-two thousand, one hundred thirty-nine".