213142323344140 has 12 divisors (see below), whose sum is σ = 447598879022736. Its totient is φ = 85256929337648.

The previous prime is 213142323344131. The next prime is 213142323344191. The reversal of 213142323344140 is 41443323241312.

It is a self number, because there is not a number n which added to its sum of digits gives 213142323344140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5328558083584 + ... + 5328558083623.

It is an arithmetic number, because the mean of its divisors is an integer number (37299906585228).

Almost surely, 2^{213142323344140} is an apocalyptic number.

213142323344140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213142323344140 is an abundant number, since it is smaller than the sum of its proper divisors (234456555678596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213142323344140 is a wasteful number, since it uses less digits than its factorization.

213142323344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657116167216 (or 10657116167214 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 213142323344140 its reverse (41443323241312), we get a palindrome (254585646585452).

The spelling of 213142323344140 in words is "two hundred thirteen trillion, one hundred forty-two billion, three hundred twenty-three million, three hundred forty-four thousand, one hundred forty".