132391269 has 6 divisors (see below), whose sum is σ = 191231846. Its totient is φ = 88260840.

The previous prime is 132391253. The next prime is 132391279. The reversal of 132391269 is 962193231.

It is a happy number.

132391269 is a `hidden beast` number, since 1 + 3 + 2 + 391 + 269 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 26244 = 11505^2 + 162^2 .

It is not a de Polignac number, because 132391269 - 2⁴ = 132391253 is a prime.

It is a super-2 number, since 2×132391269² = 35054896214860722, which 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 (132391229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7355062 + ... + 7355079.

Almost surely, 2^132391269 is an apocalyptic number.

It is an amenable number.

132391269 is a deficient number, since it is larger than the sum of its proper divisors (58840577).

132391269 is a wasteful number, since it uses less digits than its factorization.

132391269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14710147 (or 14710144 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 132391269 is about 11506.1404910595. The cubic root of 132391269 is about 509.6669220779. Note that the first 3 decimals are identical.

The spelling of 132391269 in words is "one hundred thirty-two million, three hundred ninety-one thousand, two hundred sixty-nine".