213521104350132 has 24 divisors (see below), whose sum is σ = 499256026886400. Its totient is φ = 71025113344896.

The previous prime is 213521104350131. The next prime is 213521104350137. The reversal of 213521104350132 is 231053401125312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213521104350093 and 213521104350102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213521104350131) 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, 18573507157 + ... + 18573518652.

It is an arithmetic number, because the mean of its divisors is an integer number (20802334453600).

Almost surely, 2^{213521104350132} is an apocalyptic number.

It is an amenable number.

213521104350132 is an abundant number, since it is smaller than the sum of its proper divisors (285734922536268).

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

213521104350132 is a wasteful number, since it uses less digits than its factorization.

213521104350132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37147026295 (or 37147026293 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 213521104350132 its reverse (231053401125312), we get a palindrome (444574505475444).

The spelling of 213521104350132 in words is "two hundred thirteen trillion, five hundred twenty-one billion, one hundred four million, three hundred fifty thousand, one hundred thirty-two".