132489381 has 32 divisors (see below), whose sum is σ = 197296128. Its totient is φ = 78693120.

The previous prime is 132489367. The next prime is 132489419. The reversal of 132489381 is 183984231.

It is not a de Polignac number, because 132489381 - 2⁵ = 132489349 is a prime.

It is a super-2 number, since 2×132489381² = 35106872155526322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132489781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73416 + ... + 75198.

It is an arithmetic number, because the mean of its divisors is an integer number (6165504).

Almost surely, 2^132489381 is an apocalyptic number.

It is an amenable number.

132489381 is a deficient number, since it is larger than the sum of its proper divisors (64806747).

132489381 is a wasteful number, since it uses less digits than its factorization.

132489381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881.

The product of its digits is 41472, while the sum is 39.

The square root of 132489381 is about 11510.4031640946. The cubic root of 132489381 is about 509.7927916415.

It can be divided in two parts, 132489 and 381, that added together give a triangular number (132870 = T₅₁₅).

The spelling of 132489381 in words is "one hundred thirty-two million, four hundred eighty-nine thousand, three hundred eighty-one".