210994135 has 8 divisors (see below), whose sum is σ = 276210576. Its totient is φ = 153450240.

The previous prime is 210994103. The next prime is 210994141. The reversal of 210994135 is 531499012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210994135 - 2⁵ = 210994103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210994135.

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, 1918074 + ... + 1918183.

It is an arithmetic number, because the mean of its divisors is an integer number (34526322).

Almost surely, 2^210994135 is an apocalyptic number.

210994135 is a deficient number, since it is larger than the sum of its proper divisors (65216441).

210994135 is a wasteful number, since it uses less digits than its factorization.

210994135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836273.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 210994135 is about 14525.6371633054. The cubic root of 210994135 is about 595.3286652518.

The spelling of 210994135 in words is "two hundred ten million, nine hundred ninety-four thousand, one hundred thirty-five".