1390002775023 has 8 divisors (see below), whose sum is σ = 1962356858928. Its totient is φ = 872158603904.

The previous prime is 1390002774971. The next prime is 1390002775037. The reversal of 1390002775023 is 3205772000931.

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 1390002775023 - 2¹⁸ = 1390002512879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390002775223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13627478136 + ... + 13627478237.

It is an arithmetic number, because the mean of its divisors is an integer number (245294607366).

Almost surely, 2^{1390002775023} is an apocalyptic number.

1390002775023 is a deficient number, since it is larger than the sum of its proper divisors (572354083905).

1390002775023 is a wasteful number, since it uses less digits than its factorization.

1390002775023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27254956393.

The product of its (nonzero) digits is 79380, while the sum is 39.

Adding to 1390002775023 its reverse (3205772000931), we get a palindrome (4595774775954).

The spelling of 1390002775023 in words is "one trillion, three hundred ninety billion, two million, seven hundred seventy-five thousand, twenty-three".