13399729740 has 72 divisors (see below), whose sum is σ = 40684735728. Its totient is φ = 3569842560.

The previous prime is 13399729697. The next prime is 13399729813. The reversal of 13399729740 is 4792799331.

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 23 ways as a sum of consecutive naturals, for example, 155899 + ... + 226061.

It is an arithmetic number, because the mean of its divisors is an integer number (565065774).

Almost surely, 2^13399729740 is an apocalyptic number.

13399729740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13399729740 is an abundant number, since it is smaller than the sum of its proper divisors (27285005988).

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

13399729740 is a wasteful number, since it uses less digits than its factorization.

13399729740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71239 (or 71234 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The spelling of 13399729740 in words is "thirteen billion, three hundred ninety-nine million, seven hundred twenty-nine thousand, seven hundred forty".