133755777372 has 24 divisors (see below), whose sum is σ = 356682073216. Its totient is φ = 38215936368.

The previous prime is 133755777371. The next prime is 133755777377. The reversal of 133755777372 is 273777557331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133755777371) 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, 796165258 + ... + 796165425.

Almost surely, 2^133755777372 is an apocalyptic number.

133755777372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133755777372 is an abundant number, since it is smaller than the sum of its proper divisors (222926295844).

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

133755777372 is a wasteful number, since it uses less digits than its factorization.

133755777372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592330697 (or 1592330695 counting only the distinct ones).

The product of its digits is 22689450, while the sum is 57.

The spelling of 133755777372 in words is "one hundred thirty-three billion, seven hundred fifty-five million, seven hundred seventy-seven thousand, three hundred seventy-two".