133245805233 has 4 divisors (see below), whose sum is σ = 177661073648. Its totient is φ = 88830536820.

The previous prime is 133245805229. The next prime is 133245805237. The reversal of 133245805233 is 332508542331.

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 an interprime number because it is at equal distance from previous prime (133245805229) and next prime (133245805237).

It is not a de Polignac number, because 133245805233 - 2² = 133245805229 is a prime.

It is a super-2 number, since 2×133245805233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133245805191 and 133245805200.

It is not an unprimeable number, because it can be changed into a prime (133245805237) 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, 22207634203 + ... + 22207634208.

It is an arithmetic number, because the mean of its divisors is an integer number (44415268412).

Almost surely, 2^133245805233 is an apocalyptic number.

It is an amenable number.

133245805233 is a deficient number, since it is larger than the sum of its proper divisors (44415268415).

133245805233 is an equidigital number, since it uses as much as digits as its factorization.

133245805233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44415268414.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 133245805233 in words is "one hundred thirty-three billion, two hundred forty-five million, eight hundred five thousand, two hundred thirty-three".