132911639 has 4 divisors (see below), whose sum is σ = 151899024. Its totient is φ = 113924256.

The previous prime is 132911599. The next prime is 132911671. The reversal of 132911639 is 936119231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 936119231 = 53 ⋅17662627.

It is a cyclic number.

It is not a de Polignac number, because 132911639 - 2¹² = 132907543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132911599 and 132911608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132911689) 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, 9493682 + ... + 9493695.

It is an arithmetic number, because the mean of its divisors is an integer number (37974756).

Almost surely, 2^132911639 is an apocalyptic number.

132911639 is a deficient number, since it is larger than the sum of its proper divisors (18987385).

132911639 is an equidigital number, since it uses as much as digits as its factorization.

132911639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18987384.

The product of its digits is 8748, while the sum is 35.

The square root of 132911639 is about 11528.7310229704. The cubic root of 132911639 is about 510.3338055630. Note that the first 3 decimals are identical.

The spelling of 132911639 in words is "one hundred thirty-two million, nine hundred eleven thousand, six hundred thirty-nine".