149436536 has 16 divisors (see below), whose sum is σ = 289855800. Its totient is φ = 72141664.

The previous prime is 149436533. The next prime is 149436541. The reversal of 149436536 is 635634941.

It is a junction number, because it is equal to n+sod(n) for n = 149436493 and 149436502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149436533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321830 + ... + 322293.

Almost surely, 2^149436536 is an apocalyptic number.

It is an amenable number.

149436536 is a deficient number, since it is larger than the sum of its proper divisors (140419264).

149436536 is a wasteful number, since it uses less digits than its factorization.

149436536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644158 (or 644154 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 149436536 is about 12224.4237491998. The cubic root of 149436536 is about 530.6631499673.

The spelling of 149436536 in words is "one hundred forty-nine million, four hundred thirty-six thousand, five hundred thirty-six".