133252511 has 24 divisors (see below), whose sum is σ = 164956176. Its totient is φ = 106955520.

The previous prime is 133252499. The next prime is 133252513. The reversal of 133252511 is 115252331.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-133252511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133252513) 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 23 ways as a sum of consecutive naturals, for example, 288821 + ... + 289281.

It is an arithmetic number, because the mean of its divisors is an integer number (6873174).

Almost surely, 2^133252511 is an apocalyptic number.

133252511 is a deficient number, since it is larger than the sum of its proper divisors (31703665).

133252511 is a wasteful number, since it uses less digits than its factorization.

133252511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 832 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 133252511 is about 11543.5051435862. The cubic root of 133252511 is about 510.7697092042.

The spelling of 133252511 in words is "one hundred thirty-three million, two hundred fifty-two thousand, five hundred eleven".