149786436 has 12 divisors (see below), whose sum is σ = 349501712. Its totient is φ = 49928808.

The previous prime is 149786423. The next prime is 149786453. The reversal of 149786436 is 634687941.

149786436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 6241090 + ... + 6241113.

Almost surely, 2^149786436 is an apocalyptic number.

It is an amenable number.

149786436 is an abundant number, since it is smaller than the sum of its proper divisors (199715276).

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

149786436 is a wasteful number, since it uses less digits than its factorization.

149786436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482210 (or 12482208 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 149786436 is about 12238.7268945753. The cubic root of 149786436 is about 531.0770030299.

The spelling of 149786436 in words is "one hundred forty-nine million, seven hundred eighty-six thousand, four hundred thirty-six".