1390275137648 has 20 divisors (see below), whose sum is σ = 2698155022800. Its totient is φ = 693977067264.

The previous prime is 1390275137621. The next prime is 1390275137717. The reversal of 1390275137648 is 8467315720931.

It is a junction number, because it is equal to n+sod(n) for n = 1390275137593 and 1390275137602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72521465 + ... + 72540632.

It is an arithmetic number, because the mean of its divisors is an integer number (134907751140).

It is a 1-persistent number, because it is pandigital, but 2⋅1390275137648 = 2780550275296 is not.

Almost surely, 2^{1390275137648} is an apocalyptic number.

It is an amenable number.

1390275137648 is a deficient number, since it is larger than the sum of its proper divisors (1307879885152).

1390275137648 is a wasteful number, since it uses less digits than its factorization.

1390275137648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145062704 (or 145062698 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 1390275137648 in words is "one trillion, three hundred ninety billion, two hundred seventy-five million, one hundred thirty-seven thousand, six hundred forty-eight".