213440002 has 8 divisors (see below), whose sum is σ = 320798016. Its totient is φ = 106507332.

The previous prime is 213439997. The next prime is 213440009. The reversal of 213440002 is 200044312.

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

It is not an unprimeable number, because it can be changed into a prime (213440009) 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, 105078 + ... + 107089.

It is an arithmetic number, because the mean of its divisors is an integer number (40099752).

Almost surely, 2^213440002 is an apocalyptic number.

213440002 is a deficient number, since it is larger than the sum of its proper divisors (107358014).

213440002 is a wasteful number, since it uses less digits than its factorization.

213440002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212672.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 213440002 is about 14609.5859626479. The cubic root of 213440002 is about 597.6202049199.

Adding to 213440002 its reverse (200044312), we get a palindrome (413484314).

The spelling of 213440002 in words is "two hundred thirteen million, four hundred forty thousand, two".