213234735 has 32 divisors (see below), whose sum is σ = 393795072. Its totient is φ = 96508800.

The previous prime is 213234733. The next prime is 213234743. The reversal of 213234735 is 537432312.

It is not a de Polignac number, because 213234735 - 2¹ = 213234733 is a prime.

It is a super-3 number, since 3×213234735³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213234733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552 + ... + 20658.

It is an arithmetic number, because the mean of its divisors is an integer number (12306096).

Almost surely, 2^213234735 is an apocalyptic number.

213234735 is a deficient number, since it is larger than the sum of its proper divisors (180560337).

213234735 is a wasteful number, since it uses less digits than its factorization.

213234735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20223.

The product of its digits is 15120, while the sum is 30.

The square root of 213234735 is about 14602.5591935113. The cubic root of 213234735 is about 597.4285647224.

The spelling of 213234735 in words is "two hundred thirteen million, two hundred thirty-four thousand, seven hundred thirty-five".