1373866117 has 16 divisors (see below), whose sum is σ = 1579374720. Its totient is φ = 1184500800.

The previous prime is 1373866099. The next prime is 1373866139. The reversal of 1373866117 is 7116683731.

It is a cyclic number.

It is not a de Polignac number, because 1373866117 - 2⁷ = 1373865989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373866147) 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 15 ways as a sum of consecutive naturals, for example, 21634 + ... + 56707.

It is an arithmetic number, because the mean of its divisors is an integer number (98710920).

Almost surely, 2^1373866117 is an apocalyptic number.

It is an amenable number.

1373866117 is a deficient number, since it is larger than the sum of its proper divisors (205508603).

1373866117 is a wasteful number, since it uses less digits than its factorization.

1373866117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78444.

The product of its digits is 127008, while the sum is 43.

The square root of 1373866117 is about 37065.7000068797. The cubic root of 1373866117 is about 1111.6842965925.

The spelling of 1373866117 in words is "one billion, three hundred seventy-three million, eight hundred sixty-six thousand, one hundred seventeen".