149506636 has 36 divisors (see below), whose sum is σ = 279524728. Its totient is φ = 69954048.

The previous prime is 149506633. The next prime is 149506639. The reversal of 149506636 is 636605941.

It is an interprime number because it is at equal distance from previous prime (149506633) and next prime (149506639).

It is not an unprimeable number, because it can be changed into a prime (149506633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326920 + ... + 327376.

Almost surely, 2^149506636 is an apocalyptic number.

It is an amenable number.

149506636 is a deficient number, since it is larger than the sum of its proper divisors (130018092).

149506636 is a wasteful number, since it uses less digits than its factorization.

149506636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 149506636 is about 12227.2906238463. The cubic root of 149506636 is about 530.7461142200.

The spelling of 149506636 in words is "one hundred forty-nine million, five hundred six thousand, six hundred thirty-six".