213764613 has 8 divisors (see below), whose sum is σ = 301785408. Its totient is φ = 134126784.

The previous prime is 213764609. The next prime is 213764627. The reversal of 213764613 is 316467312.

213764613 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.

It is not a de Polignac number, because 213764613 - 2² = 213764609 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213764813) 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, 2095681 + ... + 2095782.

It is an arithmetic number, because the mean of its divisors is an integer number (37723176).

Almost surely, 2^213764613 is an apocalyptic number.

It is an amenable number.

213764613 is a deficient number, since it is larger than the sum of its proper divisors (88020795).

213764613 is a wasteful number, since it uses less digits than its factorization.

213764613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191483.

The product of its digits is 18144, while the sum is 33.

The square root of 213764613 is about 14620.6912627276. The cubic root of 213764613 is about 597.9230157457.

The spelling of 213764613 in words is "two hundred thirteen million, seven hundred sixty-four thousand, six hundred thirteen".