215136060 has 96 divisors (see below), whose sum is σ = 615250944. Its totient is φ = 56160000.

The previous prime is 215136041. The next prime is 215136091. The reversal of 215136060 is 60631512.

It is a self number, because there is not a number n which added to its sum of digits gives 215136060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793725 + ... + 793995.

It is an arithmetic number, because the mean of its divisors is an integer number (6408864).

Almost surely, 2^215136060 is an apocalyptic number.

215136060 is a gapful number since it is divisible by the number (20) 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 215136060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307625472).

215136060 is an abundant number, since it is smaller than the sum of its proper divisors (400114884).

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

215136060 is a wasteful number, since it uses less digits than its factorization.

215136060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 215136060 is about 14667.5171723097. The cubic root of 215136060 is about 599.1989866608.

Adding to 215136060 its reverse (60631512), we get a palindrome (275767572).

The spelling of 215136060 in words is "two hundred fifteen million, one hundred thirty-six thousand, sixty".