213265015134 has 16 divisors (see below), whose sum is σ = 426535964688. Its totient is φ = 71087349312.

The previous prime is 213265015123. The next prime is 213265015163. The reversal of 213265015134 is 431510562312.

It is a junction number, because it is equal to n+sod(n) for n = 213265015095 and 213265015104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320034 + ... + 727290.

It is an arithmetic number, because the mean of its divisors is an integer number (26658497793).

Almost surely, 2^213265015134 is an apocalyptic number.

213265015134 is an abundant number, since it is smaller than the sum of its proper divisors (213270949554).

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

213265015134 is a wasteful number, since it uses less digits than its factorization.

213265015134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494539.

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

Adding to 213265015134 its reverse (431510562312), we get a palindrome (644775577446).

The spelling of 213265015134 in words is "two hundred thirteen billion, two hundred sixty-five million, fifteen thousand, one hundred thirty-four".