149754628634 has 24 divisors (see below), whose sum is σ = 256978477308. Its totient is φ = 65051781120.

The previous prime is 149754628609. The next prime is 149754628717. The reversal of 149754628634 is 436826457941.

It can be written as a sum of positive squares in 6 ways, for example, as 122607123409 + 27147505225 = 350153^2 + 164765^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9957527 + ... + 9972554.

Almost surely, 2^149754628634 is an apocalyptic number.

149754628634 is a deficient number, since it is larger than the sum of its proper divisors (107223848674).

149754628634 is a wasteful number, since it uses less digits than its factorization.

149754628634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19930130 (or 19930113 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 59.

The spelling of 149754628634 in words is "one hundred forty-nine billion, seven hundred fifty-four million, six hundred twenty-eight thousand, six hundred thirty-four".