1399231105798 has 16 divisors (see below), whose sum is σ = 2119444074000. Its totient is φ = 692757880992.

The previous prime is 1399231105793. The next prime is 1399231105799. The reversal of 1399231105798 is 8975011329931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399231105793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688233 + ... + 2376676.

It is an arithmetic number, because the mean of its divisors is an integer number (132465254625).

Almost surely, 2^{1399231105798} is an apocalyptic number.

1399231105798 is a deficient number, since it is larger than the sum of its proper divisors (720212968202).

1399231105798 is a wasteful number, since it uses less digits than its factorization.

1399231105798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066599.

The product of its (nonzero) digits is 3674160, while the sum is 58.

The spelling of 1399231105798 in words is "one trillion, three hundred ninety-nine billion, two hundred thirty-one million, one hundred five thousand, seven hundred ninety-eight".