132725231 has 4 divisors (see below), whose sum is σ = 133215264. Its totient is φ = 132235200.

The previous prime is 132725221. The next prime is 132725233. The reversal of 132725231 is 132527231.

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

It is a cyclic number.

It is not a de Polignac number, because 132725231 - 2¹⁴ = 132708847 is a prime.

It is a super-2 number, since 2×132725231² = 35231973888006722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132725231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132725233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244610 + ... + 245151.

It is an arithmetic number, because the mean of its divisors is an integer number (33303816).

Almost surely, 2^132725231 is an apocalyptic number.

132725231 is a deficient number, since it is larger than the sum of its proper divisors (490033).

132725231 is an equidigital number, since it uses as much as digits as its factorization.

132725231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490032.

The product of its digits is 2520, while the sum is 26.

The square root of 132725231 is about 11520.6436886139. The cubic root of 132725231 is about 510.0951136202.

The spelling of 132725231 in words is "one hundred thirty-two million, seven hundred twenty-five thousand, two hundred thirty-one".