149929688 has 16 divisors (see below), whose sum is σ = 282215880. Its totient is φ = 74672128.

The previous prime is 149929673. The next prime is 149929711. The reversal of 149929688 is 886929941.

It is a super-2 number, since 2×149929688² = 44957822687554688, which contains 22 as substring.

It is a congruent number.

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, 34406 + ... + 38517.

Almost surely, 2^149929688 is an apocalyptic number.

It is an amenable number.

149929688 is a deficient number, since it is larger than the sum of its proper divisors (132286192).

149929688 is a wasteful number, since it uses less digits than its factorization.

149929688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73186 (or 73182 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The square root of 149929688 is about 12244.5779020757. The cubic root of 149929688 is about 531.2462520059.

The spelling of 149929688 in words is "one hundred forty-nine million, nine hundred twenty-nine thousand, six hundred eighty-eight".