213140610278 has 16 divisors (see below), whose sum is σ = 322954019136. Its totient is φ = 105494481000.

The previous prime is 213140610271. The next prime is 213140610289. The reversal of 213140610278 is 872016041312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213140610271) 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, 1220576 + ... + 1384227.

It is an arithmetic number, because the mean of its divisors is an integer number (20184626196).

Almost surely, 2^213140610278 is an apocalyptic number.

213140610278 is a deficient number, since it is larger than the sum of its proper divisors (109813408858).

213140610278 is a wasteful number, since it uses less digits than its factorization.

213140610278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605219.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 213140610278 in words is "two hundred thirteen billion, one hundred forty million, six hundred ten thousand, two hundred seventy-eight".