133840268944 has 20 divisors (see below), whose sum is σ = 270590109696. Its totient is φ = 64010563232.

The previous prime is 133840268917. The next prime is 133840268951. The reversal of 133840268944 is 449862048331.

It is a junction number, because it is equal to n+sod(n) for n = 133840268891 and 133840268900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181847824 + ... + 181848559.

Almost surely, 2^133840268944 is an apocalyptic number.

It is an amenable number.

133840268944 is an abundant number, since it is smaller than the sum of its proper divisors (136749840752).

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

133840268944 is a wasteful number, since it uses less digits than its factorization.

133840268944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363696414 (or 363696408 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The spelling of 133840268944 in words is "one hundred thirty-three billion, eight hundred forty million, two hundred sixty-eight thousand, nine hundred forty-four".