1369516231 has 8 divisors (see below), whose sum is σ = 1389702528. Its totient is φ = 1349355000.

The previous prime is 1369516229. The next prime is 1369516241. The reversal of 1369516231 is 1326159631.

It is a happy number.

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

It is not a de Polignac number, because 1369516231 - 2¹ = 1369516229 is a prime.

It is a super-2 number, since 2×1369516231² = 3751149413944890722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369516241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123256 + ... + 133906.

It is an arithmetic number, because the mean of its divisors is an integer number (173712816).

Almost surely, 2^1369516231 is an apocalyptic number.

1369516231 is a deficient number, since it is larger than the sum of its proper divisors (20186297).

1369516231 is a wasteful number, since it uses less digits than its factorization.

1369516231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533.

The product of its digits is 29160, while the sum is 37.

The square root of 1369516231 is about 37006.9754370713. The cubic root of 1369516231 is about 1110.5097977495.

The spelling of 1369516231 in words is "one billion, three hundred sixty-nine million, five hundred sixteen thousand, two hundred thirty-one".