13142865140 has 12 divisors (see below), whose sum is σ = 27600016836. Its totient is φ = 5257146048.

The previous prime is 13142865119. The next prime is 13142865143. The reversal of 13142865140 is 4156824131.

It can be written as a sum of positive squares in 2 ways, for example, as 2569678864 + 10573186276 = 50692^2 + 102826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13142865140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142865143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328571609 + ... + 328571648.

It is an arithmetic number, because the mean of its divisors is an integer number (2300001403).

Almost surely, 2^13142865140 is an apocalyptic number.

13142865140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13142865140 is an abundant number, since it is smaller than the sum of its proper divisors (14457151696).

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

13142865140 is a wasteful number, since it uses less digits than its factorization.

13142865140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657143266 (or 657143264 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 13142865140 in words is "thirteen billion, one hundred forty-two million, eight hundred sixty-five thousand, one hundred forty".