1396738810864 has 20 divisors (see below), whose sum is σ = 2743252427056. Its totient is φ = 688802700672.

The previous prime is 1396738810849. The next prime is 1396738810897. The reversal of 1396738810864 is 4680188376931.

It is a junction number, because it is equal to n+sod(n) for n = 1396738810796 and 1396738810805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597917844 + ... + 597920179.

Almost surely, 2^{1396738810864} is an apocalyptic number.

It is an amenable number.

1396738810864 is a deficient number, since it is larger than the sum of its proper divisors (1346513616192).

1396738810864 is a wasteful number, since it uses less digits than its factorization.

1396738810864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195838104 (or 1195838098 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 1396738810864 in words is "one trillion, three hundred ninety-six billion, seven hundred thirty-eight million, eight hundred ten thousand, eight hundred sixty-four".