1365165288 has 96 divisors (see below), whose sum is σ = 3754913760. Its totient is φ = 448022400.

The previous prime is 1365165251. The next prime is 1365165313. The reversal of 1365165288 is 8825615631.

1365165288 is a `hidden beast` number, since 1 + 3 + 6 + 516 + 52 + 88 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1650331 + ... + 1651157.

It is an arithmetic number, because the mean of its divisors is an integer number (39113685).

Almost surely, 2^1365165288 is an apocalyptic number.

1365165288 is a gapful number since it is divisible by the number (18) 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 1365165288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877456880).

1365165288 is an abundant number, since it is smaller than the sum of its proper divisors (2389748472).

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

1365165288 is a wasteful number, since it uses less digits than its factorization.

1365165288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1160 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1365165288 is about 36948.1432280433. The cubic root of 1365165288 is about 1109.3325229817.

The spelling of 1365165288 in words is "one billion, three hundred sixty-five million, one hundred sixty-five thousand, two hundred eighty-eight".