1390140002641 has 8 divisors (see below), whose sum is σ = 1505932276520. Its totient is φ = 1283206154256.

The previous prime is 1390140002639. The next prime is 1390140002677. The reversal of 1390140002641 is 1462000410931.

It can be written as a sum of positive squares in 4 ways, for example, as 352237502016 + 1037902500625 = 593496^2 + 1018775^2 .

It is not a de Polignac number, because 1390140002641 - 2¹ = 1390140002639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390140002441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316370130 + ... + 316374523.

It is an arithmetic number, because the mean of its divisors is an integer number (188241534565).

Almost surely, 2^{1390140002641} is an apocalyptic number.

It is an amenable number.

1390140002641 is a deficient number, since it is larger than the sum of its proper divisors (115792273879).

1390140002641 is an frugal number, since it uses more digits than its factorization.

1390140002641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632744692 (or 632744666 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 1390140002641 in words is "one trillion, three hundred ninety billion, one hundred forty million, two thousand, six hundred forty-one".