13140378578 has 16 divisors (see below), whose sum is σ = 19984788096. Its totient is φ = 6478820640.

The previous prime is 13140378541. The next prime is 13140378583. The reversal of 13140378578 is 87587304131.

13140378578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13140378578² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376843 + ... + 1386353.

It is an arithmetic number, because the mean of its divisors is an integer number (1249049256).

Almost surely, 2^13140378578 is an apocalyptic number.

13140378578 is a deficient number, since it is larger than the sum of its proper divisors (6844409518).

13140378578 is an equidigital number, since it uses as much as digits as its factorization.

13140378578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19049.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 13140378578 in words is "thirteen billion, one hundred forty million, three hundred seventy-eight thousand, five hundred seventy-eight".