215053140 has 48 divisors (see below), whose sum is σ = 602808192. Its totient is φ = 57284736.

The previous prime is 215053129. The next prime is 215053141. The reversal of 215053140 is 41350512.

215053140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215053141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85582 + ... + 88058.

It is an arithmetic number, because the mean of its divisors is an integer number (12558504).

Almost surely, 2^215053140 is an apocalyptic number.

215053140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215053140 is an abundant number, since it is smaller than the sum of its proper divisors (387755052).

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

215053140 is a wasteful number, since it uses less digits than its factorization.

215053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 215053140 is about 14664.6902456206. The cubic root of 215053140 is about 599.1219935790.

The spelling of 215053140 in words is "two hundred fifteen million, fifty-three thousand, one hundred forty".