132717581 has 8 divisors (see below), whose sum is σ = 135082080. Its totient is φ = 130371472.

The previous prime is 132717547. The next prime is 132717583. The reversal of 132717581 is 185717231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132717581 - 2²⁶ = 65608717 is a prime.

It is a super-2 number, since 2×132717581² = 35227912612983122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132717583) 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, 10391 + ... + 19323.

It is an arithmetic number, because the mean of its divisors is an integer number (16885260).

Almost surely, 2^132717581 is an apocalyptic number.

It is an amenable number.

132717581 is a deficient number, since it is larger than the sum of its proper divisors (2364499).

132717581 is an equidigital number, since it uses as much as digits as its factorization.

132717581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195.

The product of its digits is 11760, while the sum is 35.

The square root of 132717581 is about 11520.3116711311. The cubic root of 132717581 is about 510.0853131661.

The spelling of 132717581 in words is "one hundred thirty-two million, seven hundred seventeen thousand, five hundred eighty-one".