149923634888 has 16 divisors (see below), whose sum is σ = 281139120780. Its totient is φ = 74953202688.

The previous prime is 149923634821. The next prime is 149923634911. The reversal of 149923634888 is 888436329941.

It can be written as a sum of positive squares in 2 ways, for example, as 149751972484 + 171662404 = 386978^2 + 13102^2 .

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, 1002581 + ... + 1142372.

Almost surely, 2^149923634888 is an apocalyptic number.

It is an amenable number.

149923634888 is a deficient number, since it is larger than the sum of its proper divisors (131215485892).

149923634888 is a wasteful number, since it uses less digits than its factorization.

149923634888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153696 (or 2153692 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 65.

The spelling of 149923634888 in words is "one hundred forty-nine billion, nine hundred twenty-three million, six hundred thirty-four thousand, eight hundred eighty-eight".