1391459854328 has 64 divisors (see below), whose sum is σ = 2811770184960. Its totient is φ = 643929302016.

The previous prime is 1391459854327. The next prime is 1391459854349. The reversal of 1391459854328 is 8234589541931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1391459854327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24776 + ... + 1668392.

It is an arithmetic number, because the mean of its divisors is an integer number (43933909140).

Almost surely, 2^{1391459854328} is an apocalyptic number.

It is an amenable number.

1391459854328 is an abundant number, since it is smaller than the sum of its proper divisors (1420310330632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1391459854328 is a wasteful number, since it uses less digits than its factorization.

1391459854328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643796 (or 1643792 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 62.

The spelling of 1391459854328 in words is "one trillion, three hundred ninety-one billion, four hundred fifty-nine million, eight hundred fifty-four thousand, three hundred twenty-eight".