1317423278090 has 32 divisors (see below), whose sum is σ = 2390322312000. Its totient is φ = 522761920128.

The previous prime is 1317423278081. The next prime is 1317423278159. The reversal of 1317423278090 is 908723247131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373606 + ... + 2126414.

It is an arithmetic number, because the mean of its divisors is an integer number (74697572250).

Almost surely, 2^{1317423278090} is an apocalyptic number.

1317423278090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1317423278090 is a deficient number, since it is larger than the sum of its proper divisors (1072899033910).

1317423278090 is a wasteful number, since it uses less digits than its factorization.

1317423278090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754214.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 1317423278090 in words is "one trillion, three hundred seventeen billion, four hundred twenty-three million, two hundred seventy-eight thousand, ninety".