133252313 has 8 divisors (see below), whose sum is σ = 137887200. Its totient is φ = 128687328.

The previous prime is 133252309. The next prime is 133252331. The reversal of 133252313 is 313252331.

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 133252313 - 2² = 133252309 is a prime.

It is a super-3 number, since 3×133252313³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133252373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13583 + ... + 21236.

It is an arithmetic number, because the mean of its divisors is an integer number (17235900).

Almost surely, 2^133252313 is an apocalyptic number.

It is an amenable number.

133252313 is a deficient number, since it is larger than the sum of its proper divisors (4634887).

133252313 is an equidigital number, since it uses as much as digits as its factorization.

133252313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34951.

The product of its digits is 1620, while the sum is 23.

The square root of 133252313 is about 11543.4965673318. The cubic root of 133252313 is about 510.7694562197.

The spelling of 133252313 in words is "one hundred thirty-three million, two hundred fifty-two thousand, three hundred thirteen".