149659911 has 12 divisors (see below), whose sum is σ = 216340488. Its totient is φ = 99697104.

The previous prime is 149659907. The next prime is 149659933. The reversal of 149659911 is 119956941.

149659911 is a `hidden beast` number, since 1 + 49 + 6 + 599 + 11 = 666.

It is not a de Polignac number, because 149659911 - 2² = 149659907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149659711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7741 + ... + 18953.

It is an arithmetic number, because the mean of its divisors is an integer number (18028374).

Almost surely, 2^149659911 is an apocalyptic number.

149659911 is a deficient number, since it is larger than the sum of its proper divisors (66680577).

149659911 is a wasteful number, since it uses less digits than its factorization.

149659911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12702 (or 12699 counting only the distinct ones).

The product of its digits is 87480, while the sum is 45.

The square root of 149659911 is about 12233.5567599942. The cubic root of 149659911 is about 530.9274268549.

The spelling of 149659911 in words is "one hundred forty-nine million, six hundred fifty-nine thousand, nine hundred eleven".