149131236 has 12 divisors (see below), whose sum is σ = 347972912. Its totient is φ = 49710408.

The previous prime is 149131217. The next prime is 149131261. The reversal of 149131236 is 632131941.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 6213790 + ... + 6213813.

Almost surely, 2^149131236 is an apocalyptic number.

It is an amenable number.

149131236 is an abundant number, since it is smaller than the sum of its proper divisors (198841676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149131236 is a wasteful number, since it uses less digits than its factorization.

149131236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12427610 (or 12427608 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 149131236 is about 12211.9300685846. The cubic root of 149131236 is about 530.3015206102.

The spelling of 149131236 in words is "one hundred forty-nine million, one hundred thirty-one thousand, two hundred thirty-six".