13133315400 has 48 divisors (see below), whose sum is σ = 40713279600. Its totient is φ = 3502217280.

The previous prime is 13133315387. The next prime is 13133315401. The reversal of 13133315400 is 451333131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13133315401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10943830 + ... + 10945029.

It is an arithmetic number, because the mean of its divisors is an integer number (848193325).

Almost surely, 2^13133315400 is an apocalyptic number.

13133315400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133315400 is an abundant number, since it is smaller than the sum of its proper divisors (27579964200).

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

13133315400 is a wasteful number, since it uses less digits than its factorization.

13133315400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21888878 (or 21888869 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 13133315400 its reverse (451333131), we get a palindrome (13584648531).

The spelling of 13133315400 in words is "thirteen billion, one hundred thirty-three million, three hundred fifteen thousand, four hundred".