213140346 has 8 divisors (see below), whose sum is σ = 426280704. Its totient is φ = 71046780.

The previous prime is 213140329. The next prime is 213140357. The reversal of 213140346 is 643041312.

213140346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

213140346 is an admirable number.

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, 17761690 + ... + 17761701.

It is an arithmetic number, because the mean of its divisors is an integer number (53285088).

Almost surely, 2^213140346 is an apocalyptic number.

213140346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213140346 is a wasteful number, since it uses less digits than its factorization.

213140346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35523396.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 213140346 is about 14599.3269022924. The cubic root of 213140346 is about 597.3404005257.

Adding to 213140346 its reverse (643041312), we get a palindrome (856181658).

The spelling of 213140346 in words is "two hundred thirteen million, one hundred forty thousand, three hundred forty-six".