1394744736856 has 32 divisors (see below), whose sum is σ = 2626177536000. Its totient is φ = 694434091680.

The previous prime is 1394744736841. The next prime is 1394744736881. The reversal of 1394744736856 is 6586374474931.

It is a junction number, because it is equal to n+sod(n) for n = 1394744736791 and 1394744736800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3120945 + ... + 3539743.

It is an arithmetic number, because the mean of its divisors is an integer number (82068048000).

Almost surely, 2^{1394744736856} is an apocalyptic number.

It is an amenable number.

1394744736856 is a deficient number, since it is larger than the sum of its proper divisors (1231432799144).

1394744736856 is a wasteful number, since it uses less digits than its factorization.

1394744736856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420559 (or 420555 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 67.

It can be divided in two parts, 1394744 and 736856, that added together give a square (2131600 = 1460²).

The spelling of 1394744736856 in words is "one trillion, three hundred ninety-four billion, seven hundred forty-four million, seven hundred thirty-six thousand, eight hundred fifty-six".