133696226879 has 4 divisors (see below), whose sum is σ = 135579272400. Its totient is φ = 131813181360.

The previous prime is 133696226863. The next prime is 133696226887. The reversal of 133696226879 is 978622696331.

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

It is a cyclic number.

It is not a de Polignac number, because 133696226879 - 2⁴ = 133696226863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133696226819) 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, 941522654 + ... + 941522795.

It is an arithmetic number, because the mean of its divisors is an integer number (33894818100).

Almost surely, 2^133696226879 is an apocalyptic number.

133696226879 is a deficient number, since it is larger than the sum of its proper divisors (1883045521).

133696226879 is an equidigital number, since it uses as much as digits as its factorization.

133696226879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883045520.

The product of its digits is 35271936, while the sum is 62.

The spelling of 133696226879 in words is "one hundred thirty-three billion, six hundred ninety-six million, two hundred twenty-six thousand, eight hundred seventy-nine".