13140403052 has 12 divisors (see below), whose sum is σ = 26280806160. Its totient is φ = 5631601296.

The previous prime is 13140403037. The next prime is 13140403057. The reversal of 13140403052 is 25030404131.

13140403052 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13140403057) 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, 234650027 + ... + 234650082.

It is an arithmetic number, because the mean of its divisors is an integer number (2190067180).

Almost surely, 2^13140403052 is an apocalyptic number.

It is an amenable number.

13140403052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13140403052 is a wasteful number, since it uses less digits than its factorization.

13140403052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469300120 (or 469300118 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 13140403052 its reverse (25030404131), we get a palindrome (38170807183).

The spelling of 13140403052 in words is "thirteen billion, one hundred forty million, four hundred three thousand, fifty-two".