133926057720 has 1152 divisors, whose sum is σ = 588956659200. Its totient is φ = 26726049792.

The previous prime is 133926057677. The next prime is 133926057731. The reversal of 133926057720 is 27750629331.

133926057720 is a `hidden beast` number, since 1 + 3 + 39 + 2 + 605 + 7 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 218476134 + ... + 218476746.

It is an arithmetic number, because the mean of its divisors is an integer number (511247100).

Almost surely, 2^133926057720 is an apocalyptic number.

133926057720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133926057720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294478329600).

133926057720 is an abundant number, since it is smaller than the sum of its proper divisors (455030601480).

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

133926057720 is a wasteful number, since it uses less digits than its factorization.

133926057720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The spelling of 133926057720 in words is "one hundred thirty-three billion, nine hundred twenty-six million, fifty-seven thousand, seven hundred twenty".