132691572 has 72 divisors (see below), whose sum is σ = 362860680. Its totient is φ = 40642560.

The previous prime is 132691567. The next prime is 132691591. The reversal of 132691572 is 275196231.

It can be written as a sum of positive squares in 4 ways, for example, as 4639716 + 128051856 = 2154^2 + 11316^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131004 + ... + 132012.

Almost surely, 2^132691572 is an apocalyptic number.

132691572 is a gapful number since it is divisible by the number (12) 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 132691572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181430340).

132691572 is an abundant number, since it is smaller than the sum of its proper divisors (230169108).

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

132691572 is a wasteful number, since it uses less digits than its factorization.

132691572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1308 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 132691572 is about 11519.1827835138. The cubic root of 132691572 is about 510.0519900863.

It can be divided in two parts, 13269 and 1572, that added together give a palindrome (14841).

The spelling of 132691572 in words is "one hundred thirty-two million, six hundred ninety-one thousand, five hundred seventy-two".