149131516 has 12 divisors (see below), whose sum is σ = 261083088. Its totient is φ = 74536352.

The previous prime is 149131469. The next prime is 149131529. The reversal of 149131516 is 615131941.

149131516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7305 + ... + 18751.

It is an arithmetic number, because the mean of its divisors is an integer number (21756924).

Almost surely, 2^149131516 is an apocalyptic number.

It is an amenable number.

149131516 is a deficient number, since it is larger than the sum of its proper divisors (111951572).

149131516 is a wasteful number, since it uses less digits than its factorization.

149131516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14708 (or 14706 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 149131516 is about 12211.9415327785. The cubic root of 149131516 is about 530.3018524976.

The spelling of 149131516 in words is "one hundred forty-nine million, one hundred thirty-one thousand, five hundred sixteen".