2138683703725 has 12 divisors (see below), whose sum is σ = 2660495029920. Its totient is φ = 1705445519600.

The previous prime is 2138683703713. The next prime is 2138683703791. The reversal of 2138683703725 is 5273073868312.

It is not a de Polignac number, because 2138683703725 - 2⁵ = 2138683703693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137528155 + ... + 137543704.

It is an arithmetic number, because the mean of its divisors is an integer number (221707919160).

Almost surely, 2^{2138683703725} is an apocalyptic number.

2138683703725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2138683703725 is a deficient number, since it is larger than the sum of its proper divisors (521811326195).

2138683703725 is a wasteful number, since it uses less digits than its factorization.

2138683703725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275072180 (or 275072175 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 2138683703725 in words is "two trillion, one hundred thirty-eight billion, six hundred eighty-three million, seven hundred three thousand, seven hundred twenty-five".