13940680019 has 16 divisors (see below), whose sum is σ = 16782259200. Its totient is φ = 11312478144.

The previous prime is 13940679953. The next prime is 13940680021. The reversal of 13940680019 is 91008604931.

It is a cyclic number.

It is not a de Polignac number, because 13940680019 - 2⁸ = 13940679763 is a prime.

It is a super-2 number, since 2×13940680019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13940680049) 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, 162527 + ... + 233015.

It is an arithmetic number, because the mean of its divisors is an integer number (1048891200).

Almost surely, 2^13940680019 is an apocalyptic number.

13940680019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13940680019 is a deficient number, since it is larger than the sum of its proper divisors (2841579181).

13940680019 is a wasteful number, since it uses less digits than its factorization.

13940680019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72002.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 13940680019 in words is "thirteen billion, nine hundred forty million, six hundred eighty thousand, nineteen".