1390348056998 has 4 divisors (see below), whose sum is σ = 2085522085500. Its totient is φ = 695174028498.

The previous prime is 1390348056961. The next prime is 1390348057001. The reversal of 1390348056998 is 8996508430931.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1390348056998² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 347587014248 + ... + 347587014251.

It is an arithmetic number, because the mean of its divisors is an integer number (521380521375).

Almost surely, 2^{1390348056998} is an apocalyptic number.

1390348056998 is a deficient number, since it is larger than the sum of its proper divisors (695174028502).

1390348056998 is an equidigital number, since it uses as much as digits as its factorization.

1390348056998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695174028501.

The product of its (nonzero) digits is 50388480, while the sum is 65.

The spelling of 1390348056998 in words is "one trillion, three hundred ninety billion, three hundred forty-eight million, fifty-six thousand, nine hundred ninety-eight".