1316421169 has 16 divisors (see below), whose sum is σ = 1620541440. Its totient is φ = 1044481680.

The previous prime is 1316421149. The next prime is 1316421203. The reversal of 1316421169 is 9611246131.

It is a cyclic number.

It is not a de Polignac number, because 1316421169 - 2⁹ = 1316420657 is a prime.

It is a super-2 number, since 2×1316421169² = 3465929388382653122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1316421149) 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 15 ways as a sum of consecutive naturals, for example, 126889 + ... + 136870.

It is an arithmetic number, because the mean of its divisors is an integer number (101283840).

Almost surely, 2^1316421169 is an apocalyptic number.

It is an amenable number.

1316421169 is a deficient number, since it is larger than the sum of its proper divisors (304120271).

1316421169 is a wasteful number, since it uses less digits than its factorization.

1316421169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263820.

The product of its digits is 7776, while the sum is 34.

The square root of 1316421169 is about 36282.5187797099. The cubic root of 1316421169 is about 1095.9690396643.

The spelling of 1316421169 in words is "one billion, three hundred sixteen million, four hundred twenty-one thousand, one hundred sixty-nine".