1316061399 has 8 divisors (see below), whose sum is σ = 1802174320. Its totient is φ = 853661376.

The previous prime is 1316061389. The next prime is 1316061401. The reversal of 1316061399 is 9931606131.

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

It is not a de Polignac number, because 1316061399 - 2²³ = 1307672791 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 (1316061349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5928094 + ... + 5928315.

It is an arithmetic number, because the mean of its divisors is an integer number (225271790).

Almost surely, 2^1316061399 is an apocalyptic number.

1316061399 is a deficient number, since it is larger than the sum of its proper divisors (486112921).

1316061399 is a wasteful number, since it uses less digits than its factorization.

1316061399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11856449.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 1316061399 is about 36277.5605436749. The cubic root of 1316061399 is about 1095.8691899820.

The spelling of 1316061399 in words is "one billion, three hundred sixteen million, sixty-one thousand, three hundred ninety-nine".