132719989 has 4 divisors (see below), whose sum is σ = 132827500. Its totient is φ = 132612480.

The previous prime is 132719981. The next prime is 132720013. The reversal of 132719989 is 989917231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15539364 + 117180625 = 3942^2 + 10825^2 .

It is a cyclic number.

It is not a de Polignac number, because 132719989 - 2³ = 132719981 is a prime.

It is a super-2 number, since 2×132719989² = 35229190960320242, 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 (132719981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51882 + ... + 54379.

It is an arithmetic number, because the mean of its divisors is an integer number (33206875).

Almost surely, 2^132719989 is an apocalyptic number.

It is an amenable number.

132719989 is a deficient number, since it is larger than the sum of its proper divisors (107511).

132719989 is a wasteful number, since it uses less digits than its factorization.

132719989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107510.

The product of its digits is 244944, while the sum is 49.

The square root of 132719989 is about 11520.4161817184. The cubic root of 132719989 is about 510.0883981078.

It can be divided in two parts, 1327 and 19989, that added together give a square (21316 = 146²).

The spelling of 132719989 in words is "one hundred thirty-two million, seven hundred nineteen thousand, nine hundred eighty-nine".