132489784 has 64 divisors (see below), whose sum is σ = 295464960. Its totient is φ = 54501120.

The previous prime is 132489781. The next prime is 132489787. The reversal of 132489784 is 487984231.

It is an interprime number because it is at equal distance from previous prime (132489781) and next prime (132489787).

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 15 ways as a sum of consecutive naturals, for example, 289684 + ... + 290140.

It is an arithmetic number, because the mean of its divisors is an integer number (4616640).

Almost surely, 2^132489784 is an apocalyptic number.

132489784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132489784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147732480).

132489784 is an abundant number, since it is smaller than the sum of its proper divisors (162975176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132489784 is a wasteful number, since it uses less digits than its factorization.

132489784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 664 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 132489784 is about 11510.4206699842. The cubic root of 132489784 is about 509.7933085290.

It can be divided in two parts, 13248 and 9784, that added together give a palindrome (23032).

The spelling of 132489784 in words is "one hundred thirty-two million, four hundred eighty-nine thousand, seven hundred eighty-four".