1390290125 has 16 divisors (see below), whose sum is σ = 1982952192. Its totient is φ = 953341200.

The previous prime is 1390290119. The next prime is 1390290137. The reversal of 1390290125 is 5210920931.

It is not a de Polignac number, because 1390290125 - 2¹⁴ = 1390273741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1390290091 and 1390290100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793577 + ... + 795326.

It is an arithmetic number, because the mean of its divisors is an integer number (123934512).

Almost surely, 2^1390290125 is an apocalyptic number.

It is an amenable number.

1390290125 is a deficient number, since it is larger than the sum of its proper divisors (592662067).

1390290125 is an equidigital number, since it uses as much as digits as its factorization.

1390290125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588925 (or 1588915 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1390290125 is about 37286.5944408979. The cubic root of 1390290125 is about 1116.0966708074.

The spelling of 1390290125 in words is "one billion, three hundred ninety million, two hundred ninety thousand, one hundred twenty-five".