133251506601433 has 24 divisors (see below), whose sum is σ = 150938484656904. Its totient is φ = 117461474000640.

The previous prime is 133251506601407. The next prime is 133251506601443. The reversal of 133251506601433 is 334106605152331.

It can be written as a sum of positive squares in 4 ways, for example, as 85270505045209 + 47981001556224 = 9234203^2 + 6926832^2 .

It is not a de Polignac number, because 133251506601433 - 2²⁵ = 133251473047001 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 133251506601433.

It is not an unprimeable number, because it can be changed into a prime (133251506601443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49479316 + ... + 52102837.

It is an arithmetic number, because the mean of its divisors is an integer number (6289103527371).

Almost surely, 2^{133251506601433} is an apocalyptic number.

It is an amenable number.

133251506601433 is a deficient number, since it is larger than the sum of its proper divisors (17686978055471).

133251506601433 is a wasteful number, since it uses less digits than its factorization.

133251506601433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101582505 (or 101582494 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 133251506601433 in words is "one hundred thirty-three trillion, two hundred fifty-one billion, five hundred six million, six hundred one thousand, four hundred thirty-three".