210135156 has 48 divisors (see below), whose sum is σ = 611304960. Its totient is φ = 54580320.

The previous prime is 210135151. The next prime is 210135157. The reversal of 210135156 is 651531012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210135151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112786 + ... + 114633.

It is an arithmetic number, because the mean of its divisors is an integer number (12735520).

Almost surely, 2^210135156 is an apocalyptic number.

It is an amenable number.

210135156 is an abundant number, since it is smaller than the sum of its proper divisors (401169804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210135156 is a wasteful number, since it uses less digits than its factorization.

210135156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227444 (or 227442 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 210135156 is about 14496.0393211387. The cubic root of 210135156 is about 594.5196848684.

Adding to 210135156 its reverse (651531012), we get a palindrome (861666168).

The spelling of 210135156 in words is "two hundred ten million, one hundred thirty-five thousand, one hundred fifty-six".