207142213 has 8 divisors (see below), whose sum is σ = 209498616. Its totient is φ = 204792000.

The previous prime is 207142181. The next prime is 207142231. The reversal of 207142213 is 312241702.

207142213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 118744609 + 88397604 = 10897^2 + 9402^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 207142213 - 2⁵ = 207142181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207142913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106195 + ... + 108127.

It is an arithmetic number, because the mean of its divisors is an integer number (26187327).

Almost surely, 2^207142213 is an apocalyptic number.

It is an amenable number.

207142213 is a deficient number, since it is larger than the sum of its proper divisors (2356403).

207142213 is a wasteful number, since it uses less digits than its factorization.

207142213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 207142213 is about 14392.4359647698. The cubic root of 207142213 is about 591.6836073000.

Adding to 207142213 its reverse (312241702), we get a palindrome (519383915).

The spelling of 207142213 in words is "two hundred seven million, one hundred forty-two thousand, two hundred thirteen".