213540008 has 16 divisors (see below), whose sum is σ = 436786560. Its totient is φ = 97063600.

The previous prime is 213539969. The next prime is 213540011. The reversal of 213540008 is 800045312.

213540008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213208 + ... + 1213383.

It is an arithmetic number, because the mean of its divisors is an integer number (27299160).

Almost surely, 2^213540008 is an apocalyptic number.

It is an amenable number.

213540008 is an abundant number, since it is smaller than the sum of its proper divisors (223246552).

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

213540008 is a wasteful number, since it uses less digits than its factorization.

213540008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426608 (or 2426604 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 213540008 is about 14613.0081776477. The cubic root of 213540008 is about 597.7135274365.

The spelling of 213540008 in words is "two hundred thirteen million, five hundred forty thousand, eight".