13946878740 has 24 divisors (see below), whose sum is σ = 39051260640. Its totient is φ = 3719167648.

The previous prime is 13946878739. The next prime is 13946878793. The reversal of 13946878740 is 4787864931.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 116223930 + ... + 116224049.

It is an arithmetic number, because the mean of its divisors is an integer number (1627135860).

Almost surely, 2^13946878740 is an apocalyptic number.

13946878740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13946878740 is an abundant number, since it is smaller than the sum of its proper divisors (25104381900).

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

13946878740 is a wasteful number, since it uses less digits than its factorization.

13946878740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232447991 (or 232447989 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 13946878740 in words is "thirteen billion, nine hundred forty-six million, eight hundred seventy-eight thousand, seven hundred forty".