132299257 has 4 divisors (see below), whose sum is σ = 132802560. Its totient is φ = 131795956.

The previous prime is 132299213. The next prime is 132299267. The reversal of 132299257 is 752992231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 752992231 = 331 ⋅2274901.

It is a cyclic number.

It is not a de Polignac number, because 132299257 - 2⁷ = 132299129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132299267) 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, 251257 + ... + 251782.

It is an arithmetic number, because the mean of its divisors is an integer number (33200640).

Almost surely, 2^132299257 is an apocalyptic number.

It is an amenable number.

132299257 is a deficient number, since it is larger than the sum of its proper divisors (503303).

132299257 is an equidigital number, since it uses as much as digits as its factorization.

132299257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503302.

The product of its digits is 68040, while the sum is 40.

The square root of 132299257 is about 11502.1414093203. The cubic root of 132299257 is about 509.5488217895.

The spelling of 132299257 in words is "one hundred thirty-two million, two hundred ninety-nine thousand, two hundred fifty-seven".