213861126 has 32 divisors (see below), whose sum is σ = 446515200. Its totient is φ = 68207040.

The previous prime is 213861113. The next prime is 213861133. The reversal of 213861126 is 621168312.

213861126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213861093 and 213861102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10095 + ... + 23013.

It is an arithmetic number, because the mean of its divisors is an integer number (13953600).

Almost surely, 2^213861126 is an apocalyptic number.

213861126 is an abundant number, since it is smaller than the sum of its proper divisors (232654074).

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

213861126 is a wasteful number, since it uses less digits than its factorization.

213861126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044.

The product of its digits is 3456, while the sum is 30.

The square root of 213861126 is about 14623.9914524045. The cubic root of 213861126 is about 598.0129880141.

The spelling of 213861126 in words is "two hundred thirteen million, eight hundred sixty-one thousand, one hundred twenty-six".