133921380124 has 24 divisors (see below), whose sum is σ = 269112169088. Its totient is φ = 57122861040.

The previous prime is 133921380119. The next prime is 133921380127. The reversal of 133921380124 is 421083129331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133921380127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11327994 + ... + 11339809.

Almost surely, 2^133921380124 is an apocalyptic number.

133921380124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133921380124 is an abundant number, since it is smaller than the sum of its proper divisors (135190788964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133921380124 is a wasteful number, since it uses less digits than its factorization.

133921380124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22668025 (or 22668023 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 133921380124 in words is "one hundred thirty-three billion, nine hundred twenty-one million, three hundred eighty thousand, one hundred twenty-four".