132407249 has 4 divisors (see below), whose sum is σ = 142592436. Its totient is φ = 122222064.

The previous prime is 132407213. The next prime is 132407267. The reversal of 132407249 is 942704231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942704231 = 7 ⋅134672033.

It can be written as a sum of positive squares in 2 ways, for example, as 65691025 + 66716224 = 8105^2 + 8168^2 .

It is a cyclic number.

It is not a de Polignac number, because 132407249 - 2²⁰ = 131358673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132407749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5092574 + ... + 5092599.

It is an arithmetic number, because the mean of its divisors is an integer number (35648109).

Almost surely, 2^132407249 is an apocalyptic number.

It is an amenable number.

132407249 is a deficient number, since it is larger than the sum of its proper divisors (10185187).

132407249 is a wasteful number, since it uses less digits than its factorization.

132407249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10185186.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 132407249 is about 11506.8348819300. The cubic root of 132407249 is about 509.6874273318.

The spelling of 132407249 in words is "one hundred thirty-two million, four hundred seven thousand, two hundred forty-nine".