1308922085 has 8 divisors (see below), whose sum is σ = 1570951800. Its totient is φ = 1046974144.

The previous prime is 1308922073. The next prime is 1308922091. The reversal of 1308922085 is 5802298031.

It can be written as a sum of positive squares in 4 ways, for example, as 1304164 + 1307617921 = 1142^2 + 36161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1308922085 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23279 + ... + 56211.

It is an arithmetic number, because the mean of its divisors is an integer number (196368975).

Almost surely, 2^1308922085 is an apocalyptic number.

It is an amenable number.

1308922085 is a deficient number, since it is larger than the sum of its proper divisors (262029715).

1308922085 is an equidigital number, since it uses as much as digits as its factorization.

1308922085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40887.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1308922085 is about 36179.0282484204. The cubic root of 1308922085 is about 1093.8839876780.

The spelling of 1308922085 in words is "one billion, three hundred eight million, nine hundred twenty-two thousand, eighty-five".