1390426555175 has 12 divisors (see below), whose sum is σ = 1970433061296. Its totient is φ = 953435352000.

The previous prime is 1390426555157. The next prime is 1390426555181. The reversal of 1390426555175 is 5715556240931.

It is not a de Polignac number, because 1390426555175 - 2⁸ = 1390426554919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3972647126 + ... + 3972647475.

It is an arithmetic number, because the mean of its divisors is an integer number (164202755108).

Almost surely, 2^{1390426555175} is an apocalyptic number.

1390426555175 is a deficient number, since it is larger than the sum of its proper divisors (580006506121).

1390426555175 is an equidigital number, since it uses as much as digits as its factorization.

1390426555175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7945294618 (or 7945294613 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 53.

The spelling of 1390426555175 in words is "one trillion, three hundred ninety billion, four hundred twenty-six million, five hundred fifty-five thousand, one hundred seventy-five".