1309938908904 has 48 divisors (see below), whose sum is σ = 3592659470400. Its totient is φ = 431119132704.

The previous prime is 1309938908851. The next prime is 1309938908911. The reversal of 1309938908904 is 4098098399031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115143654 + ... + 115155029.

It is an arithmetic number, because the mean of its divisors is an integer number (74847072300).

Almost surely, 2^{1309938908904} is an apocalyptic number.

It is an amenable number.

1309938908904 is an abundant number, since it is smaller than the sum of its proper divisors (2282720561496).

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

1309938908904 is a wasteful number, since it uses less digits than its factorization.

1309938908904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230298774 (or 230298767 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 63.

The spelling of 1309938908904 in words is "one trillion, three hundred nine billion, nine hundred thirty-eight million, nine hundred eight thousand, nine hundred four".