132147688 has 16 divisors (see below), whose sum is σ = 248626980. Its totient is φ = 65847168.

The previous prime is 132147667. The next prime is 132147689. The reversal of 132147688 is 886741231.

It can be written as a sum of positive squares in 2 ways, for example, as 131836324 + 311364 = 11482^2 + 558^2 .

It is a super-2 number, since 2×132147688² = 34926022887490688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 132147688.

It is not an unprimeable number, because it can be changed into a prime (132147689) 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, 25845 + ... + 30532.

Almost surely, 2^132147688 is an apocalyptic number.

It is an amenable number.

132147688 is a deficient number, since it is larger than the sum of its proper divisors (116479292).

132147688 is a wasteful number, since it uses less digits than its factorization.

132147688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56676 (or 56672 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 132147688 is about 11495.5507915019. The cubic root of 132147688 is about 509.3541587719.

It can be divided in two parts, 13214 and 7688, that added together give a palindrome (20902).

The spelling of 132147688 in words is "one hundred thirty-two million, one hundred forty-seven thousand, six hundred eighty-eight".