149664127 has 2 divisors, whose sum is σ = 149664128. Its totient is φ = 149664126.

The previous prime is 149664101. The next prime is 149664161. The reversal of 149664127 is 721466941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149664127 - 2¹⁵ = 149631359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149664127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149664167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74832063 + 74832064.

It is an arithmetic number, because the mean of its divisors is an integer number (74832064).

Almost surely, 2^149664127 is an apocalyptic number.

149664127 is a deficient number, since it is larger than the sum of its proper divisors (1).

149664127 is an equidigital number, since it uses as much as digits as its factorization.

149664127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 149664127 is about 12233.7290717099. The cubic root of 149664127 is about 530.9324123116.

The spelling of 149664127 in words is "one hundred forty-nine million, six hundred sixty-four thousand, one hundred twenty-seven".