210135422 has 36 divisors (see below), whose sum is σ = 379937376. Its totient is φ = 86821560.

The previous prime is 210135379. The next prime is 210135427. The reversal of 210135422 is 224531012.

It is a junction number, because it is equal to n+sod(n) for n = 210135394 and 210135403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210135427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 798863 + ... + 799125.

It is an arithmetic number, because the mean of its divisors is an integer number (10553816).

Almost surely, 2^210135422 is an apocalyptic number.

210135422 is a deficient number, since it is larger than the sum of its proper divisors (169801954).

210135422 is an equidigital number, since it uses as much as digits as its factorization.

210135422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 210135422 is about 14496.0484960557. The cubic root of 210135422 is about 594.5199357263.

Adding to 210135422 its reverse (224531012), we get a palindrome (434666434).

The spelling of 210135422 in words is "two hundred ten million, one hundred thirty-five thousand, four hundred twenty-two".