1396605959388 has 48 divisors (see below), whose sum is σ = 3621633840160. Its totient is φ = 465432003072.

The previous prime is 1396605959383. The next prime is 1396605959389. The reversal of 1396605959388 is 8839595066931.

1396605959388 is a `hidden beast` number, since 1 + 3 + 9 + 6 + 605 + 9 + 5 + 9 + 3 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396605959383) 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, 945295 + ... + 1920102.

Almost surely, 2^{1396605959388} is an apocalyptic number.

1396605959388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1396605959388 is an abundant number, since it is smaller than the sum of its proper divisors (2225027880772).

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

1396605959388 is a wasteful number, since it uses less digits than its factorization.

1396605959388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869923 (or 2869915 counting only the distinct ones).

The product of its (nonzero) digits is 377913600, while the sum is 72.

The spelling of 1396605959388 in words is "one trillion, three hundred ninety-six billion, six hundred five million, nine hundred fifty-nine thousand, three hundred eighty-eight".