213414145236 has 36 divisors (see below), whose sum is σ = 539550129664. Its totient is φ = 71126629200.

The previous prime is 213414145229. The next prime is 213414145249. The reversal of 213414145236 is 632541414312.

213414145236 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 1 + 414 + 5 + 236 = 666.

213414145236 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 213414145236.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 246910 + ... + 698421.

Almost surely, 2^213414145236 is an apocalyptic number.

It is an amenable number.

213414145236 is an abundant number, since it is smaller than the sum of its proper divisors (326135984428).

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

213414145236 is a wasteful number, since it uses less digits than its factorization.

213414145236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951612 (or 951607 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 213414145236 its reverse (632541414312), we get a palindrome (845955559548).

The spelling of 213414145236 in words is "two hundred thirteen billion, four hundred fourteen million, one hundred forty-five thousand, two hundred thirty-six".