1368770836 has 12 divisors (see below), whose sum is σ = 2412834228. Its totient is φ = 679389632.

The previous prime is 1368770833. The next prime is 1368770863. The reversal of 1368770836 is 6380778631.

It can be written as a sum of positive squares in 2 ways, for example, as 252810000 + 1115960836 = 15900^2 + 33406^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1368770836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368770833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248331 + ... + 1249426.

It is an arithmetic number, because the mean of its divisors is an integer number (201069519).

Almost surely, 2^1368770836 is an apocalyptic number.

It is an amenable number.

1368770836 is a deficient number, since it is larger than the sum of its proper divisors (1044063392).

1368770836 is a wasteful number, since it uses less digits than its factorization.

1368770836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497898 (or 2497896 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 1368770836 is about 36996.9030595805. The cubic root of 1368770836 is about 1110.3082865259.

The spelling of 1368770836 in words is "one billion, three hundred sixty-eight million, seven hundred seventy thousand, eight hundred thirty-six".