1390000252625 has 32 divisors (see below), whose sum is σ = 1739664669600. Its totient is φ = 1108833024000.

The previous prime is 1390000252601. The next prime is 1390000252643. The reversal of 1390000252625 is 5262520000931.

It can be written as a sum of positive squares in 16 ways, for example, as 223343198464 + 1166657054161 = 472592^2 + 1080119^2 .

It is not a de Polignac number, because 1390000252625 - 2⁶ = 1390000252561 is a prime.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 192277511 + ... + 192284739.

It is an arithmetic number, because the mean of its divisors is an integer number (54364520925).

Almost surely, 2^{1390000252625} is an apocalyptic number.

It is an amenable number.

1390000252625 is a deficient number, since it is larger than the sum of its proper divisors (349664416975).

1390000252625 is an equidigital number, since it uses as much as digits as its factorization.

1390000252625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11414 (or 11404 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 1390000252625 in words is "one trillion, three hundred ninety billion, two hundred fifty-two thousand, six hundred twenty-five".