149286636 has 36 divisors (see below), whose sum is σ = 378323400. Its totient is φ = 49635648.

The previous prime is 149286623. The next prime is 149286671. The reversal of 149286636 is 636682941.

149286636 is a `hidden beast` number, since 1 + 4 + 9 + 2 + 8 + 6 + 636 = 666.

149286636 is digitally balanced in base 3, 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 149286591 and 149286600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9655 + ... + 19793.

Almost surely, 2^149286636 is an apocalyptic number.

It is an amenable number.

149286636 is an abundant number, since it is smaller than the sum of its proper divisors (229036764).

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

149286636 is a wasteful number, since it uses less digits than its factorization.

149286636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558 (or 10553 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 149286636 is about 12218.2910425313. The cubic root of 149286636 is about 530.4856542873.

The spelling of 149286636 in words is "one hundred forty-nine million, two hundred eighty-six thousand, six hundred thirty-six".