132731489 has 8 divisors (see below), whose sum is σ = 146959968. Its totient is φ = 118863360.

The previous prime is 132731483. The next prime is 132731503. The reversal of 132731489 is 984137231.

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

It is not a de Polignac number, because 132731489 - 2²⁰ = 131682913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132731483) 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, 89312 + ... + 90785.

It is an arithmetic number, because the mean of its divisors is an integer number (18369996).

Almost surely, 2^132731489 is an apocalyptic number.

It is an amenable number.

132731489 is a deficient number, since it is larger than the sum of its proper divisors (14228479).

132731489 is a wasteful number, since it uses less digits than its factorization.

132731489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180175.

The product of its digits is 36288, while the sum is 38.

The square root of 132731489 is about 11520.9152848200. The cubic root of 132731489 is about 510.1031304959.

The spelling of 132731489 in words is "one hundred thirty-two million, seven hundred thirty-one thousand, four hundred eighty-nine".