13140641280 has 160 divisors (see below), whose sum is σ = 45240791904. Its totient is φ = 3234594816.

The previous prime is 13140641197. The next prime is 13140641291. The reversal of 13140641280 is 8214604131.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34032 + ... + 165648.

Almost surely, 2^13140641280 is an apocalyptic number.

13140641280 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 13140641280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22620395952).

13140641280 is an abundant number, since it is smaller than the sum of its proper divisors (32100150624).

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

13140641280 is a wasteful number, since it uses less digits than its factorization.

13140641280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131656 (or 131640 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 13140641280 in words is "thirteen billion, one hundred forty million, six hundred forty-one thousand, two hundred eighty".