1369764864 has 352 divisors, whose sum is σ = 4530256640. Its totient is φ = 406093824.

The previous prime is 1369764863. The next prime is 1369764881. The reversal of 1369764864 is 4684679631.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1369764864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369764863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13298637 + ... + 13298739.

Almost surely, 2^1369764864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369764864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2265128320).

1369764864 is an abundant number, since it is smaller than the sum of its proper divisors (3160491776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1369764864 is a wasteful number, since it uses less digits than its factorization.

1369764864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 158 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 1369764864 is about 37010.3345567154. The cubic root of 1369764864 is about 1110.5769973121.

The spelling of 1369764864 in words is "one billion, three hundred sixty-nine million, seven hundred sixty-four thousand, eight hundred sixty-four".