1388308834708 has 12 divisors (see below), whose sum is σ = 2429585836020. Its totient is φ = 694141452992.

The previous prime is 1388308834697. The next prime is 1388308834711. The reversal of 1388308834708 is 8074388038831.

It can be written as a sum of positive squares in 2 ways, for example, as 1374643692304 + 13665142404 = 1172452^2 + 116898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2998123 + ... + 3430066.

It is an arithmetic number, because the mean of its divisors is an integer number (202465486335).

Almost surely, 2^{1388308834708} is an apocalyptic number.

It is an amenable number.

1388308834708 is a deficient number, since it is larger than the sum of its proper divisors (1041277001312).

1388308834708 is a wasteful number, since it uses less digits than its factorization.

1388308834708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482186 (or 6482184 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 1388308834708 in words is "one trillion, three hundred eighty-eight billion, three hundred eight million, eight hundred thirty-four thousand, seven hundred eight".