133512025233 has 4 divisors (see below), whose sum is σ = 178016033648. Its totient is φ = 89008016820.

The previous prime is 133512025223. The next prime is 133512025247. The reversal of 133512025233 is 332520215331.

It is a happy number.

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 133512025233 - 2⁵ = 133512025201 is a prime.

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 133512025233.

It is not an unprimeable number, because it can be changed into a prime (133512025223) 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, 22252004203 + ... + 22252004208.

It is an arithmetic number, because the mean of its divisors is an integer number (44504008412).

Almost surely, 2^133512025233 is an apocalyptic number.

It is an amenable number.

133512025233 is a deficient number, since it is larger than the sum of its proper divisors (44504008415).

133512025233 is an equidigital number, since it uses as much as digits as its factorization.

133512025233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44504008414.

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 133512025233 in words is "one hundred thirty-three billion, five hundred twelve million, twenty-five thousand, two hundred thirty-three".