132557839 has 4 divisors (see below), whose sum is σ = 132720120. Its totient is φ = 132395560.

The previous prime is 132557801. The next prime is 132557849. The reversal of 132557839 is 938755231.

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 132557839 - 2²³ = 124169231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132557795 and 132557804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132557849) 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, 79909 + ... + 81550.

It is an arithmetic number, because the mean of its divisors is an integer number (33180030).

Almost surely, 2^132557839 is an apocalyptic number.

132557839 is a deficient number, since it is larger than the sum of its proper divisors (162281).

132557839 is an equidigital number, since it uses as much as digits as its factorization.

132557839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162280.

The product of its digits is 226800, while the sum is 43.

The square root of 132557839 is about 11513.3765247211. The cubic root of 132557839 is about 509.8805807798.

The spelling of 132557839 in words is "one hundred thirty-two million, five hundred fifty-seven thousand, eight hundred thirty-nine".