132917691 has 4 divisors (see below), whose sum is σ = 177223592. Its totient is φ = 88611792.

The previous prime is 132917683. The next prime is 132917723. The reversal of 132917691 is 196719231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 132917691 - 2³ = 132917683 is a prime.

It is a super-2 number, since 2×132917691² = 35334225161542962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132917671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22152946 + ... + 22152951.

It is an arithmetic number, because the mean of its divisors is an integer number (44305898).

Almost surely, 2^132917691 is an apocalyptic number.

132917691 is a deficient number, since it is larger than the sum of its proper divisors (44305901).

132917691 is an equidigital number, since it uses as much as digits as its factorization.

132917691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44305900.

The product of its digits is 20412, while the sum is 39.

The square root of 132917691 is about 11528.9934946638. The cubic root of 132917691 is about 510.3415512937.

The spelling of 132917691 in words is "one hundred thirty-two million, nine hundred seventeen thousand, six hundred ninety-one".