213414434 has 8 divisors (see below), whose sum is σ = 321747228. Its totient is φ = 106165360.

The previous prime is 213414407. The next prime is 213414437. The reversal of 213414434 is 434414312.

It can be written as a sum of positive squares in 2 ways, for example, as 184824025 + 28590409 = 13595^2 + 5347^2 .

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (213414437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270437 + ... + 271224.

Almost surely, 2^213414434 is an apocalyptic number.

213414434 is a deficient number, since it is larger than the sum of its proper divisors (108332794).

213414434 is a wasteful number, since it uses less digits than its factorization.

213414434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541860.

The product of its digits is 4608, while the sum is 26.

The square root of 213414434 is about 14608.7108945314. The cubic root of 213414434 is about 597.5963409715.

Adding to 213414434 its reverse (434414312), we get a palindrome (647828746).

The spelling of 213414434 in words is "two hundred thirteen million, four hundred fourteen thousand, four hundred thirty-four".