210153135 has 16 divisors (see below), whose sum is σ = 338390496. Its totient is φ = 111366528.

The previous prime is 210153131. The next prime is 210153137. The reversal of 210153135 is 531351012.

It is not a de Polignac number, because 210153135 - 2² = 210153131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210153131) 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, 42264 + ... + 46973.

It is an arithmetic number, because the mean of its divisors is an integer number (21149406).

Almost surely, 2^210153135 is an apocalyptic number.

210153135 is a deficient number, since it is larger than the sum of its proper divisors (128237361).

210153135 is a wasteful number, since it uses less digits than its factorization.

210153135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89402.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 210153135 is about 14496.6594427820. The cubic root of 210153135 is about 594.5366399317.

The spelling of 210153135 in words is "two hundred ten million, one hundred fifty-three thousand, one hundred thirty-five".