132745725 has 72 divisors (see below), whose sum is σ = 275071680. Its totient is φ = 59938560.

The previous prime is 132745721. The next prime is 132745747. The reversal of 132745725 is 527547231.

132745725 is a `hidden beast` number, since 13 + 2 + 74 + 572 + 5 = 666.

It is not a de Polignac number, because 132745725 - 2² = 132745721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132745725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132745721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 139702 + ... + 140648.

It is an arithmetic number, because the mean of its divisors is an integer number (3820440).

Almost surely, 2^132745725 is an apocalyptic number.

132745725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132745725 is an abundant number, since it is smaller than the sum of its proper divisors (142325955).

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

132745725 is a wasteful number, since it uses less digits than its factorization.

132745725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1051 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 132745725 is about 11521.5331011112. The cubic root of 132745725 is about 510.1213667327.

The spelling of 132745725 in words is "one hundred thirty-two million, seven hundred forty-five thousand, seven hundred twenty-five".