133252131 has 8 divisors (see below), whose sum is σ = 177874704. Its totient is φ = 88732160.

The previous prime is 133252127. The next prime is 133252153. The reversal of 133252131 is 131252331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133252131 - 2² = 133252127 is a prime.

It is a super-2 number, since 2×133252131² = 35512260832082322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133252098 and 133252107.

It is not an unprimeable number, because it can be changed into a prime (133252181) 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 7 ways as a sum of consecutive naturals, for example, 22566 + ... + 27851.

It is an arithmetic number, because the mean of its divisors is an integer number (22234338).

Almost surely, 2^133252131 is an apocalyptic number.

133252131 is a deficient number, since it is larger than the sum of its proper divisors (44622573).

133252131 is an equidigital number, since it uses as much as digits as its factorization.

133252131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51301.

The product of its digits is 540, while the sum is 21.

The square root of 133252131 is about 11543.4886841024. The cubic root of 133252131 is about 510.7692236782.

The spelling of 133252131 in words is "one hundred thirty-three million, two hundred fifty-two thousand, one hundred thirty-one".