133401400813320 has 32 divisors (see below), whose sum is σ = 400204202440320. Its totient is φ = 35573706883520.

The previous prime is 133401400813319. The next prime is 133401400813333. The reversal of 133401400813320 is 23318004104331.

It is a happy 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, 555839169936 + ... + 555839170175.

It is an arithmetic number, because the mean of its divisors is an integer number (12506381326260).

Almost surely, 2^{133401400813320} is an apocalyptic number.

133401400813320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133401400813320 is an abundant number, since it is smaller than the sum of its proper divisors (266802801627000).

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

133401400813320 is a wasteful number, since it uses less digits than its factorization.

133401400813320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111678340125 (or 1111678340121 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 133401400813320 its reverse (23318004104331), we get a palindrome (156719404917651).

The spelling of 133401400813320 in words is "one hundred thirty-three trillion, four hundred one billion, four hundred million, eight hundred thirteen thousand, three hundred twenty".