1390140002645 has 8 divisors (see below), whose sum is σ = 1668390856704. Its totient is φ = 1111963433104.

The previous prime is 1390140002639. The next prime is 1390140002677. The reversal of 1390140002645 is 5462000410931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1390140002645 - 2¹² = 1390139998549 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 18529949 + ... + 18604818.

It is an arithmetic number, because the mean of its divisors is an integer number (208548857088).

Almost surely, 2^{1390140002645} is an apocalyptic number.

It is an amenable number.

1390140002645 is a deficient number, since it is larger than the sum of its proper divisors (278250854059).

1390140002645 is an equidigital number, since it uses as much as digits as its factorization.

1390140002645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37142259.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 1390140002645 in words is "one trillion, three hundred ninety billion, one hundred forty million, two thousand, six hundred forty-five".