133251955199 has 4 divisors (see below), whose sum is σ = 145365769320. Its totient is φ = 121138141080.

The previous prime is 133251955183. The next prime is 133251955217. The reversal of 133251955199 is 991559152331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133251955199 - 2⁴ = 133251955183 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 133251955199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133251955139) 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, 6056907044 + ... + 6056907065.

It is an arithmetic number, because the mean of its divisors is an integer number (36341442330).

Almost surely, 2^133251955199 is an apocalyptic number.

133251955199 is a deficient number, since it is larger than the sum of its proper divisors (12113814121).

133251955199 is a wasteful number, since it uses less digits than its factorization.

133251955199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113814120.

The product of its digits is 1640250, while the sum is 53.

The spelling of 133251955199 in words is "one hundred thirty-three billion, two hundred fifty-one million, nine hundred fifty-five thousand, one hundred ninety-nine".