133892648879 has 4 divisors (see below), whose sum is σ = 146064707880. Its totient is φ = 121720589880.

The previous prime is 133892648867. The next prime is 133892648893. The reversal of 133892648879 is 978846298331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978846298331 = 11 ⋅88986027121.

It is a cyclic number.

It is not a de Polignac number, because 133892648879 - 2⁸ = 133892648623 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 (133892648849) 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, 6086029484 + ... + 6086029505.

It is an arithmetic number, because the mean of its divisors is an integer number (36516176970).

Almost surely, 2^133892648879 is an apocalyptic number.

133892648879 is a deficient number, since it is larger than the sum of its proper divisors (12172059001).

133892648879 is a wasteful number, since it uses less digits than its factorization.

133892648879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12172059000.

The product of its digits is 125411328, while the sum is 68.

The spelling of 133892648879 in words is "one hundred thirty-three billion, eight hundred ninety-two million, six hundred forty-eight thousand, eight hundred seventy-nine".