1399140916142 has 4 divisors (see below), whose sum is σ = 2098711374216. Its totient is φ = 699570458070.

The previous prime is 1399140916051. The next prime is 1399140916169. The reversal of 1399140916142 is 2416190419931.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349785229034 + ... + 349785229037.

It is an arithmetic number, because the mean of its divisors is an integer number (524677843554).

Almost surely, 2^{1399140916142} is an apocalyptic number.

1399140916142 is a deficient number, since it is larger than the sum of its proper divisors (699570458074).

1399140916142 is an equidigital number, since it uses as much as digits as its factorization.

1399140916142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699570458073.

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 1399140916142 in words is "one trillion, three hundred ninety-nine billion, one hundred forty million, nine hundred sixteen thousand, one hundred forty-two".