1391346606964 has 24 divisors (see below), whose sum is σ = 2472723965376. Its totient is φ = 684882408000.

The previous prime is 1391346606931. The next prime is 1391346606967. The reversal of 1391346606964 is 4696066431931.

It is a junction number, because it is equal to n+sod(n) for n = 1391346606899 and 1391346606908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1391346606967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3348697 + ... + 3741184.

It is an arithmetic number, because the mean of its divisors is an integer number (103030165224).

Almost surely, 2^{1391346606964} is an apocalyptic number.

It is an amenable number.

1391346606964 is a deficient number, since it is larger than the sum of its proper divisors (1081377358412).

1391346606964 is a wasteful number, since it uses less digits than its factorization.

1391346606964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090647 (or 7090645 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 58.

The spelling of 1391346606964 in words is "one trillion, three hundred ninety-one billion, three hundred forty-six million, six hundred six thousand, nine hundred sixty-four".