1316432555 has 8 divisors (see below), whose sum is σ = 1586804352. Its totient is φ = 1048422528.

The previous prime is 1316432543. The next prime is 1316432569. The reversal of 1316432555 is 5552346131.

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-1316432555 is a prime.

It is a Duffinian 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, 589214 + ... + 591443.

It is an arithmetic number, because the mean of its divisors is an integer number (198350544).

Almost surely, 2^1316432555 is an apocalyptic number.

1316432555 is a deficient number, since it is larger than the sum of its proper divisors (270371797).

1316432555 is a wasteful number, since it uses less digits than its factorization.

1316432555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180885.

The product of its digits is 54000, while the sum is 35.

The square root of 1316432555 is about 36282.6756868895. The cubic root of 1316432555 is about 1095.9721994098.

Adding to 1316432555 its reverse (5552346131), we get a palindrome (6868778686).

The spelling of 1316432555 in words is "one billion, three hundred sixteen million, four hundred thirty-two thousand, five hundred fifty-five".