1390169856053 has 8 divisors (see below), whose sum is σ = 1528490265600. Its totient is φ = 1253839668480.

The previous prime is 1390169856043. The next prime is 1390169856059. The reversal of 1390169856053 is 3506589610931.

It is a happy number.

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 1390169856053 - 2³² = 1385874888757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1390169856053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390169856059) 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, 497554028 + ... + 497556821.

It is an arithmetic number, because the mean of its divisors is an integer number (191061283200).

Almost surely, 2^{1390169856053} is an apocalyptic number.

It is an amenable number.

1390169856053 is a deficient number, since it is larger than the sum of its proper divisors (138320409547).

1390169856053 is a wasteful number, since it uses less digits than its factorization.

1390169856053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995110987.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The spelling of 1390169856053 in words is "one trillion, three hundred ninety billion, one hundred sixty-nine million, eight hundred fifty-six thousand, fifty-three".