13533215740 has 96 divisors (see below), whose sum is σ = 31294771200. Its totient is φ = 4875141120.

The previous prime is 13533215659. The next prime is 13533215771. The reversal of 13533215740 is 4751233531.

It is a junction number, because it is equal to n+sod(n) for n = 13533215696 and 13533215705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17598076 + ... + 17598844.

It is an arithmetic number, because the mean of its divisors is an integer number (325987200).

Almost surely, 2^13533215740 is an apocalyptic number.

13533215740 is a gapful number since it is divisible by the number (10) 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 13533215740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15647385600).

13533215740 is an abundant number, since it is smaller than the sum of its proper divisors (17761555460).

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

13533215740 is a wasteful number, since it uses less digits than its factorization.

13533215740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 13533215740 in words is "thirteen billion, five hundred thirty-three million, two hundred fifteen thousand, seven hundred forty".