149918936 has 8 divisors (see below), whose sum is σ = 281098020. Its totient is φ = 74959464.

The previous prime is 149918929. The next prime is 149918981. The reversal of 149918936 is 639819941.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9369926 + ... + 9369941.

Almost surely, 2^149918936 is an apocalyptic number.

It is an amenable number.

149918936 is a deficient number, since it is larger than the sum of its proper divisors (131179084).

149918936 is a wasteful number, since it uses less digits than its factorization.

149918936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18739873 (or 18739869 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 149918936 is about 12244.1388427280. The cubic root of 149918936 is about 531.2335525058.

The spelling of 149918936 in words is "one hundred forty-nine million, nine hundred eighteen thousand, nine hundred thirty-six".