13140040040 has 32 divisors (see below), whose sum is σ = 30194138880. Its totient is φ = 5144185152.

The previous prime is 13140039977. The next prime is 13140040049. The reversal of 13140040040 is 4004004131.

It is not an unprimeable number, because it can be changed into a prime (13140040049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492812 + ... + 3496571.

It is an arithmetic number, because the mean of its divisors is an integer number (943566840).

Almost surely, 2^13140040040 is an apocalyptic number.

13140040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140040040 is an abundant number, since it is smaller than the sum of its proper divisors (17054098840).

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

13140040040 is a wasteful number, since it uses less digits than its factorization.

13140040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989441 (or 6989437 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 13140040040 its reverse (4004004131), we get a palindrome (17144044171).

The spelling of 13140040040 in words is "thirteen billion, one hundred forty million, forty thousand, forty".