132756451 has 4 divisors (see below), whose sum is σ = 140565672. Its totient is φ = 124947232.

The previous prime is 132756409. The next prime is 132756457. The reversal of 132756451 is 154657231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154657231 = 59 ⋅2621309.

It is a cyclic number.

It is not a de Polignac number, because 132756451 - 2²¹ = 130659299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132756457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3904585 + ... + 3904618.

It is an arithmetic number, because the mean of its divisors is an integer number (35141418).

Almost surely, 2^132756451 is an apocalyptic number.

132756451 is a deficient number, since it is larger than the sum of its proper divisors (7809221).

132756451 is an equidigital number, since it uses as much as digits as its factorization.

132756451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7809220.

The product of its digits is 25200, while the sum is 34.

The square root of 132756451 is about 11521.9985679569. The cubic root of 132756451 is about 510.1351058177.

The spelling of 132756451 in words is "one hundred thirty-two million, seven hundred fifty-six thousand, four hundred fifty-one".