139409738793 has 48 divisors (see below), whose sum is σ = 233365933440. Its totient is φ = 82060520256.

The previous prime is 139409738791. The next prime is 139409738801. The reversal of 139409738793 is 397837904931.

139409738793 is a `hidden beast` number, since 139 + 409 + 7 + 3 + 8 + 7 + 93 = 666.

139409738793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139409738793 - 2¹ = 139409738791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139409738793.

It is not an unprimeable number, because it can be changed into a prime (139409738791) 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 47 ways as a sum of consecutive naturals, for example, 559230 + ... + 769127.

It is an arithmetic number, because the mean of its divisors is an integer number (4861790280).

Almost surely, 2^139409738793 is an apocalyptic number.

139409738793 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

139409738793 is a deficient number, since it is larger than the sum of its proper divisors (93956194647).

139409738793 is a wasteful number, since it uses less digits than its factorization.

139409738793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328415 (or 1328396 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

The spelling of 139409738793 in words is "one hundred thirty-nine billion, four hundred nine million, seven hundred thirty-eight thousand, seven hundred ninety-three".