1316426238 has 48 divisors (see below), whose sum is σ = 2904501600. Its totient is φ = 430799040.

The previous prime is 1316426207. The next prime is 1316426239. The reversal of 1316426238 is 8326246131.

1316426238 is a `hidden beast` number, since 1 + 3 + 1 + 642 + 6 + 2 + 3 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316426239) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 920508 + ... + 921936.

It is an arithmetic number, because the mean of its divisors is an integer number (60510450).

Almost surely, 2^1316426238 is an apocalyptic number.

1316426238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1316426238 is an abundant number, since it is smaller than the sum of its proper divisors (1588075362).

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

1316426238 is a wasteful number, since it uses less digits than its factorization.

1316426238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337 (or 2334 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1316426238 is about 36282.5886342196. The cubic root of 1316426238 is about 1095.9704463722.

The spelling of 1316426238 in words is "one billion, three hundred sixteen million, four hundred twenty-six thousand, two hundred thirty-eight".