132507530391 has 4 divisors (see below), whose sum is σ = 176676707192. Its totient is φ = 88338353592.

The previous prime is 132507530359. The next prime is 132507530411. The reversal of 132507530391 is 193035705231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193035705231 = 3 ⋅64345235077.

It is not a de Polignac number, because 132507530391 - 2⁵ = 132507530359 is a prime.

It is a super-2 number, since 2×132507530391² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132507530791) 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, 22084588396 + ... + 22084588401.

It is an arithmetic number, because the mean of its divisors is an integer number (44169176798).

Almost surely, 2^132507530391 is an apocalyptic number.

132507530391 is a deficient number, since it is larger than the sum of its proper divisors (44169176801).

132507530391 is an equidigital number, since it uses as much as digits as its factorization.

132507530391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44169176800.

The product of its (nonzero) digits is 85050, while the sum is 39.

The spelling of 132507530391 in words is "one hundred thirty-two billion, five hundred seven million, five hundred thirty thousand, three hundred ninety-one".