1366869504 has 480 divisors, whose sum is σ = 5015678976. Its totient is φ = 325140480.

The previous prime is 1366869487. The next prime is 1366869533. The reversal of 1366869504 is 4059686631.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10762689 + ... + 10762815.

Almost surely, 2^1366869504 is an apocalyptic number.

1366869504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366869504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2507839488).

1366869504 is an abundant number, since it is smaller than the sum of its proper divisors (3648809472).

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

1366869504 is a wasteful number, since it uses less digits than its factorization.

1366869504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 1366869504 is about 36971.1983035443. The cubic root of 1366869504 is about 1109.7939460062.

The spelling of 1366869504 in words is "one billion, three hundred sixty-six million, eight hundred sixty-nine thousand, five hundred four".