149011687 has 16 divisors (see below), whose sum is σ = 170150400. Its totient is φ = 129175200.

The previous prime is 149011679. The next prime is 149011693. The reversal of 149011687 is 786110941.

It is not a de Polignac number, because 149011687 - 2³ = 149011679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149011697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105814 + ... + 107212.

It is an arithmetic number, because the mean of its divisors is an integer number (10634400).

Almost surely, 2^149011687 is an apocalyptic number.

149011687 is a deficient number, since it is larger than the sum of its proper divisors (21138713).

149011687 is a wasteful number, since it uses less digits than its factorization.

149011687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 149011687 is about 12207.0343245196. The cubic root of 149011687 is about 530.1597797602.

The spelling of 149011687 in words is "one hundred forty-nine million, eleven thousand, six hundred eighty-seven".