1369608872 has 32 divisors (see below), whose sum is σ = 2643406920. Its totient is φ = 664784640.

The previous prime is 1369608833. The next prime is 1369608883. The reversal of 1369608872 is 2788069631.

It can be written as a sum of positive squares in 4 ways, for example, as 1216195876 + 153412996 = 34874^2 + 12386^2 .

It is a super-2 number, since 2×1369608872² = 3751656924522224768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1369608872.

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, 131438 + ... + 141474.

Almost surely, 2^1369608872 is an apocalyptic number.

It is an amenable number.

1369608872 is a deficient number, since it is larger than the sum of its proper divisors (1273798048).

1369608872 is a wasteful number, since it uses less digits than its factorization.

1369608872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10541 (or 10537 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 1369608872 is about 37008.2270853387. The cubic root of 1369608872 is about 1110.5348373501.

The spelling of 1369608872 in words is "one billion, three hundred sixty-nine million, six hundred eight thousand, eight hundred seventy-two".