215270130 has 32 divisors (see below), whose sum is σ = 520080768. Its totient is φ = 57024000.

The previous prime is 215270123. The next prime is 215270141. The reversal of 215270130 is 31072512.

215270130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 215270097 and 215270106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19231 + ... + 28290.

It is an arithmetic number, because the mean of its divisors is an integer number (16252524).

Almost surely, 2^215270130 is an apocalyptic number.

215270130 is an abundant number, since it is smaller than the sum of its proper divisors (304810638).

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

215270130 is a wasteful number, since it uses less digits than its factorization.

215270130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47682.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 215270130 is about 14672.0867636475. The cubic root of 215270130 is about 599.3234318237.

The spelling of 215270130 in words is "two hundred fifteen million, two hundred seventy thousand, one hundred thirty".