1390795439963 has 8 divisors (see below), whose sum is σ = 1442092092480. Its totient is φ = 1339721333440.

The previous prime is 1390795439897. The next prime is 1390795439977. The reversal of 1390795439963 is 3699345970931.

It is a happy number.

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

It is not a de Polignac number, because 1390795439963 - 2¹² = 1390795435867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1390795439893 and 1390795439902.

It is not an unprimeable number, because it can be changed into a prime (1390795439063) 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, 55623770 + ... + 55648767.

It is an arithmetic number, because the mean of its divisors is an integer number (180261511560).

Almost surely, 2^{1390795439963} is an apocalyptic number.

1390795439963 is a deficient number, since it is larger than the sum of its proper divisors (51296652517).

1390795439963 is a wasteful number, since it uses less digits than its factorization.

1390795439963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111272997.

The product of its (nonzero) digits is 148803480, while the sum is 68.

The spelling of 1390795439963 in words is "one trillion, three hundred ninety billion, seven hundred ninety-five million, four hundred thirty-nine thousand, nine hundred sixty-three".