1396785159900 has 576 divisors, whose sum is σ = 4944464089600. Its totient is φ = 336177008640.

The previous prime is 1396785159899. The next prime is 1396785159907. The reversal of 1396785159900 is 99515876931.

1396785159900 is a `hidden beast` number, since 1 + 39 + 6 + 7 + 8 + 5 + 1 + 599 + 0 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396785159907) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 326884164 + ... + 326888436.

Almost surely, 2^{1396785159900} is an apocalyptic number.

1396785159900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396785159900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2472232044800).

1396785159900 is an abundant number, since it is smaller than the sum of its proper divisors (3547678929700).

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

1396785159900 is a wasteful number, since it uses less digits than its factorization.

1396785159900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515 (or 4502 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 63.

The spelling of 1396785159900 in words is "one trillion, three hundred ninety-six billion, seven hundred eighty-five million, one hundred fifty-nine thousand, nine hundred".