210672135 has 12 divisors (see below), whose sum is σ = 365165112. Its totient is φ = 112358448.

The previous prime is 210672113. The next prime is 210672139. The reversal of 210672135 is 531276012.

It is a happy number.

It is not a de Polignac number, because 210672135 - 2⁵ = 210672103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210672099 and 210672108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210672139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2340757 + ... + 2340846.

It is an arithmetic number, because the mean of its divisors is an integer number (30430426).

Almost surely, 2^210672135 is an apocalyptic number.

210672135 is a deficient number, since it is larger than the sum of its proper divisors (154492977).

210672135 is a wasteful number, since it uses less digits than its factorization.

210672135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681614 (or 4681611 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 210672135 is about 14514.5490801471. The cubic root of 210672135 is about 595.0256656302.

The spelling of 210672135 in words is "two hundred ten million, six hundred seventy-two thousand, one hundred thirty-five".