213540108 has 48 divisors (see below), whose sum is σ = 516804960. Its totient is φ = 68544000.

The previous prime is 213540083. The next prime is 213540109. The reversal of 213540108 is 801045312.

213540108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213540109) 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, 208638 + ... + 209658.

It is an arithmetic number, because the mean of its divisors is an integer number (10766770).

Almost surely, 2^213540108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213540108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258402480).

213540108 is an abundant number, since it is smaller than the sum of its proper divisors (303264852).

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

213540108 is a wasteful number, since it uses less digits than its factorization.

213540108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 213540108 is about 14613.0115992563. The cubic root of 213540108 is about 597.7136207388.

The spelling of 213540108 in words is "two hundred thirteen million, five hundred forty thousand, one hundred eight".