132569249 has 4 divisors (see below), whose sum is σ = 133581360. Its totient is φ = 131557140.

The previous prime is 132569243. The next prime is 132569257. The reversal of 132569249 is 942965231.

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.

It is a cyclic number.

It is not a de Polignac number, because 132569249 - 2⁸ = 132568993 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 (132569243) 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, 505859 + ... + 506120.

It is an arithmetic number, because the mean of its divisors is an integer number (33395340).

Almost surely, 2^132569249 is an apocalyptic number.

It is an amenable number.

132569249 is a deficient number, since it is larger than the sum of its proper divisors (1012111).

132569249 is a wasteful number, since it uses less digits than its factorization.

132569249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012110.

The product of its digits is 116640, while the sum is 41.

The square root of 132569249 is about 11513.8720246492. The cubic root of 132569249 is about 509.8952097914.

The spelling of 132569249 in words is "one hundred thirty-two million, five hundred sixty-nine thousand, two hundred forty-nine".