213189514 has 4 divisors (see below), whose sum is σ = 319784274. Its totient is φ = 106594756.

The previous prime is 213189497. The next prime is 213189517. The reversal of 213189514 is 415981312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 212663889 + 525625 = 14583^2 + 725^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213189514.

It is not an unprimeable number, because it can be changed into a prime (213189517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53297377 + ... + 53297380.

Almost surely, 2^213189514 is an apocalyptic number.

213189514 is a deficient number, since it is larger than the sum of its proper divisors (106594760).

213189514 is a wasteful number, since it uses less digits than its factorization.

213189514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106594759.

The product of its digits is 8640, while the sum is 34.

The square root of 213189514 is about 14601.0107184400. The cubic root of 213189514 is about 597.3863292221.

The spelling of 213189514 in words is "two hundred thirteen million, one hundred eighty-nine thousand, five hundred fourteen".