133857776375454 has 16 divisors (see below), whose sum is σ = 268524361071360. Its totient is φ = 44484457405080.

The previous prime is 133857776375423. The next prime is 133857776375509. The reversal of 133857776375454 is 454573677758331.

It is a super-2 number, since 2×133857776375454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33700344534 + ... + 33700348505.

It is an arithmetic number, because the mean of its divisors is an integer number (16782772566960).

Almost surely, 2^{133857776375454} is an apocalyptic number.

133857776375454 is an abundant number, since it is smaller than the sum of its proper divisors (134666584695906).

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

133857776375454 is a wasteful number, since it uses less digits than its factorization.

133857776375454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67400693375.

The product of its digits is 6223392000, while the sum is 75.

The spelling of 133857776375454 in words is "one hundred thirty-three trillion, eight hundred fifty-seven billion, seven hundred seventy-six million, three hundred seventy-five thousand, four hundred fifty-four".