133718976 has 84 divisors (see below), whose sum is σ = 388037832. Its totient is φ = 44020224.

The previous prime is 133718953. The next prime is 133718993. The reversal of 133718976 is 679817331.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46410 + ... + 49206.

It is an arithmetic number, because the mean of its divisors is an integer number (4619498).

Almost surely, 2^133718976 is an apocalyptic number.

133718976 is a gapful number since it is divisible by the number (16) 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 133718976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194018916).

133718976 is an abundant number, since it is smaller than the sum of its proper divisors (254318856).

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

133718976 is a wasteful number, since it uses less digits than its factorization.

133718976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2885 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 133718976 is about 11563.6921439478. The cubic root of 133718976 is about 511.3650168550.

The spelling of 133718976 in words is "one hundred thirty-three million, seven hundred eighteen thousand, nine hundred seventy-six".