210230615136 has 48 divisors (see below), whose sum is σ = 556068034368. Its totient is φ = 69541929600.

The previous prime is 210230615093. The next prime is 210230615137. The reversal of 210230615136 is 631516032012.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210230615137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8345830 + ... + 8370981.

It is an arithmetic number, because the mean of its divisors is an integer number (11584750716).

Almost surely, 2^210230615136 is an apocalyptic number.

It is an amenable number.

210230615136 is an abundant number, since it is smaller than the sum of its proper divisors (345837419232).

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

210230615136 is a wasteful number, since it uses less digits than its factorization.

210230615136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16716955 (or 16716947 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 210230615136 its reverse (631516032012), we get a palindrome (841746647148).

The spelling of 210230615136 in words is "two hundred ten billion, two hundred thirty million, six hundred fifteen thousand, one hundred thirty-six".