13140015678 has 48 divisors (see below), whose sum is σ = 28603935360. Its totient is φ = 4359449808.

The previous prime is 13140015677. The next prime is 13140015697. The reversal of 13140015678 is 87651004131.

13140015678 is a `hidden beast` number, since 1 + 31 + 400 + 156 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140015671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5342413 + ... + 5344871.

It is an arithmetic number, because the mean of its divisors is an integer number (595915320).

Almost surely, 2^13140015678 is an apocalyptic number.

13140015678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13140015678 is an abundant number, since it is smaller than the sum of its proper divisors (15463919682).

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

13140015678 is a wasteful number, since it uses less digits than its factorization.

13140015678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741 (or 3738 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 13140015678 in words is "thirteen billion, one hundred forty million, fifteen thousand, six hundred seventy-eight".