213141140 has 12 divisors (see below), whose sum is σ = 447596436. Its totient is φ = 85256448.

The previous prime is 213141113. The next prime is 213141157. The reversal of 213141140 is 41141312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104939536 + 108201604 = 10244^2 + 10402^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5328509 + ... + 5328548.

It is an arithmetic number, because the mean of its divisors is an integer number (37299703).

Almost surely, 2^213141140 is an apocalyptic number.

213141140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213141140 is an abundant number, since it is smaller than the sum of its proper divisors (234455296).

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

213141140 is a wasteful number, since it uses less digits than its factorization.

213141140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10657066 (or 10657064 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 213141140 is about 14599.3540953016. The cubic root of 213141140 is about 597.3411422712.

Adding to 213141140 its reverse (41141312), we get a palindrome (254282452).

The spelling of 213141140 in words is "two hundred thirteen million, one hundred forty-one thousand, one hundred forty".