1390291542682 has 8 divisors (see below), whose sum is σ = 2383356930336. Its totient is φ = 595839232572.

The previous prime is 1390291542659. The next prime is 1390291542707. The reversal of 1390291542682 is 2862451920931.

It is a happy number.

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

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, 49653269368 + ... + 49653269395.

It is an arithmetic number, because the mean of its divisors is an integer number (297919616292).

Almost surely, 2^{1390291542682} is an apocalyptic number.

1390291542682 is a deficient number, since it is larger than the sum of its proper divisors (993065387654).

1390291542682 is an equidigital number, since it uses as much as digits as its factorization.

1390291542682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99306538772.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 1390291542682 in words is "one trillion, three hundred ninety billion, two hundred ninety-one million, five hundred forty-two thousand, six hundred eighty-two".