133252113 has 4 divisors (see below), whose sum is σ = 177669488. Its totient is φ = 88834740.

The previous prime is 133252037. The next prime is 133252117. The reversal of 133252113 is 311252331.

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 not a de Polignac number, because 133252113 - 2¹⁰ = 133251089 is a prime.

It is a super-2 number, since 2×133252113² = 35512251237929538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133252113.

It is not an unprimeable number, because it can be changed into a prime (133252117) 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, 22208683 + ... + 22208688.

It is an arithmetic number, because the mean of its divisors is an integer number (44417372).

Almost surely, 2^133252113 is an apocalyptic number.

It is an amenable number.

133252113 is a deficient number, since it is larger than the sum of its proper divisors (44417375).

133252113 is an equidigital number, since it uses as much as digits as its factorization.

133252113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44417374.

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

The square root of 133252113 is about 11543.4879044421. The cubic root of 133252113 is about 510.7692006796.

The spelling of 133252113 in words is "one hundred thirty-three million, two hundred fifty-two thousand, one hundred thirteen".