1381002506808 has 64 divisors (see below), whose sum is σ = 3462183648000. Its totient is φ = 459045549312.

The previous prime is 1381002506783. The next prime is 1381002506857. The reversal of 1381002506808 is 8086052001831.

It is a self number, because there is not a number n which added to its sum of digits gives 1381002506808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13153063 + ... + 13257641.

It is an arithmetic number, because the mean of its divisors is an integer number (54096619500).

Almost surely, 2^{1381002506808} is an apocalyptic number.

It is an amenable number.

1381002506808 is an abundant number, since it is smaller than the sum of its proper divisors (2081181141192).

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

1381002506808 is a wasteful number, since it uses less digits than its factorization.

1381002506808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106124 (or 106120 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 1381002506808 in words is "one trillion, three hundred eighty-one billion, two million, five hundred six thousand, eight hundred eight".