13140452460 has 48 divisors (see below), whose sum is σ = 38392978176. Its totient is φ = 3351767232.

The previous prime is 13140452443. The next prime is 13140452461. The reversal of 13140452460 is 6425404131.

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

It is not an unprimeable number, because it can be changed into a prime (13140452461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759654 + ... + 4762413.

It is an arithmetic number, because the mean of its divisors is an integer number (799853712).

Almost surely, 2^13140452460 is an apocalyptic number.

13140452460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140452460 is an abundant number, since it is smaller than the sum of its proper divisors (25252525716).

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

13140452460 is a wasteful number, since it uses less digits than its factorization.

13140452460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522102 (or 9522100 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 13140452460 its reverse (6425404131), we get a palindrome (19565856591).

The spelling of 13140452460 in words is "thirteen billion, one hundred forty million, four hundred fifty-two thousand, four hundred sixty".