1365901056 has 252 divisors, whose sum is σ = 4410097608. Its totient is φ = 419530752.

The previous prime is 1365900979. The next prime is 1365901093. The reversal of 1365901056 is 6501095631.

1365901056 is a `hidden beast` number, since 1 + 3 + 6 + 590 + 10 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1365901056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2425831 + ... + 2426393.

Almost surely, 2^1365901056 is an apocalyptic number.

1365901056 is a gapful number since it is divisible by the number (16) 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 1365901056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205048804).

1365901056 is an abundant number, since it is smaller than the sum of its proper divisors (3044196552).

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

1365901056 is an frugal number, since it uses more digits than its factorization.

1365901056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 1365901056 is about 36958.0986523928. The cubic root of 1365901056 is about 1109.5317820722.

Adding to 1365901056 its reverse (6501095631), we get a palindrome (7866996687).

The spelling of 1365901056 in words is "one billion, three hundred sixty-five million, nine hundred one thousand, fifty-six".