215133114 has 64 divisors (see below), whose sum is σ = 505267200. Its totient is φ = 59799168.

The previous prime is 215133103. The next prime is 215133137. The reversal of 215133114 is 411331512.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 250017 + ... + 250875.

It is an arithmetic number, because the mean of its divisors is an integer number (7894800).

Almost surely, 2^215133114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215133114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252633600).

215133114 is an abundant number, since it is smaller than the sum of its proper divisors (290134086).

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

215133114 is a wasteful number, since it uses less digits than its factorization.

215133114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its digits is 360, while the sum is 21.

The square root of 215133114 is about 14667.4167459713. The cubic root of 215133114 is about 599.1962515727.

Adding to 215133114 its reverse (411331512), we get a palindrome (626464626).

The spelling of 215133114 in words is "two hundred fifteen million, one hundred thirty-three thousand, one hundred fourteen".