132690971 has 6 divisors (see below), whose sum is σ = 154354860. Its totient is φ = 113735076.

The previous prime is 132690923. The next prime is 132690973. The reversal of 132690971 is 179096231.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-132690971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132690973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1353941 + ... + 1354038.

It is an arithmetic number, because the mean of its divisors is an integer number (25725810).

Almost surely, 2^132690971 is an apocalyptic number.

132690971 is a deficient number, since it is larger than the sum of its proper divisors (21663889).

132690971 is an equidigital number, since it uses as much as digits as its factorization.

132690971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707993 (or 2707986 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 132690971 is about 11519.1566965642. The cubic root of 132690971 is about 510.0512200255.

The spelling of 132690971 in words is "one hundred thirty-two million, six hundred ninety thousand, nine hundred seventy-one".