1378000139725 has 24 divisors (see below), whose sum is σ = 1894616727840. Its totient is φ = 985752696000.

The previous prime is 1378000139707. The next prime is 1378000139729. The reversal of 1378000139725 is 5279310008731.

It is not a de Polignac number, because 1378000139725 - 2¹³ = 1378000131533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378000139729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41056255 + ... + 41089804.

It is an arithmetic number, because the mean of its divisors is an integer number (78942363660).

Almost surely, 2^{1378000139725} is an apocalyptic number.

It is an amenable number.

1378000139725 is a deficient number, since it is larger than the sum of its proper divisors (516616588115).

1378000139725 is a wasteful number, since it uses less digits than its factorization.

1378000139725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82146141 (or 82146136 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 1378000139725 in words is "one trillion, three hundred seventy-eight billion, one hundred thirty-nine thousand, seven hundred twenty-five".