213427356135 has 32 divisors (see below), whose sum is σ = 391198671360. Its totient is φ = 97333915008.

The previous prime is 213427356133. The next prime is 213427356209. The reversal of 213427356135 is 531653724312.

It is a happy number.

It is not a de Polignac number, because 213427356135 - 2¹ = 213427356133 is a prime.

It is a super-2 number, since 2×213427356135² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213427356133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2381592 + ... + 2469581.

It is an arithmetic number, because the mean of its divisors is an integer number (12224958480).

Almost surely, 2^213427356135 is an apocalyptic number.

213427356135 is a deficient number, since it is larger than the sum of its proper divisors (177771315225).

213427356135 is a wasteful number, since it uses less digits than its factorization.

213427356135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851607.

The product of its digits is 453600, while the sum is 42.

The spelling of 213427356135 in words is "two hundred thirteen billion, four hundred twenty-seven million, three hundred fifty-six thousand, one hundred thirty-five".