1390026389025 has 24 divisors (see below), whose sum is σ = 2313396697024. Its totient is φ = 736437816000.

The previous prime is 1390026388981. The next prime is 1390026389051. The reversal of 1390026389025 is 5209836200931.

It is not a de Polignac number, because 1390026389025 - 2¹⁶ = 1390026323489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61358494 + ... + 61381143.

Almost surely, 2^{1390026389025} is an apocalyptic number.

1390026389025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1390026389025 is a deficient number, since it is larger than the sum of its proper divisors (923370307999).

1390026389025 is a wasteful number, since it uses less digits than its factorization.

1390026389025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122739801 (or 122739796 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 1390026389025 in words is "one trillion, three hundred ninety billion, twenty-six million, three hundred eighty-nine thousand, twenty-five".