132688690 has 16 divisors (see below), whose sum is σ = 238982400. Its totient is φ = 53043760.

The previous prime is 132688663. The next prime is 132688691. The reversal of 132688690 is 96886231.

It is a super-2 number, since 2×132688690² = 35212576907832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132688691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21225 + ... + 26755.

It is an arithmetic number, because the mean of its divisors is an integer number (14936400).

Almost surely, 2^132688690 is an apocalyptic number.

132688690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132688690 is a deficient number, since it is larger than the sum of its proper divisors (106293710).

132688690 is a wasteful number, since it uses less digits than its factorization.

132688690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7937.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 132688690 is about 11519.0576871548. The cubic root of 132688690 is about 510.0482973612.

The spelling of 132688690 in words is "one hundred thirty-two million, six hundred eighty-eight thousand, six hundred ninety".