213410642 has 8 divisors (see below), whose sum is σ = 321066876. Its totient is φ = 106388352.

The previous prime is 213410633. The next prime is 213410653. The reversal of 213410642 is 246014312.

It can be written as a sum of positive squares in 2 ways, for example, as 213130801 + 279841 = 14599^2 + 529^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157643 + ... + 158990.

Almost surely, 2^213410642 is an apocalyptic number.

213410642 is a deficient number, since it is larger than the sum of its proper divisors (107656234).

213410642 is a wasteful number, since it uses less digits than its factorization.

213410642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316972.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 213410642 is about 14608.5811083760. The cubic root of 213410642 is about 597.5928015378.

Adding to 213410642 its reverse (246014312), we get a palindrome (459424954).

The spelling of 213410642 in words is "two hundred thirteen million, four hundred ten thousand, six hundred forty-two".