210000134 has 4 divisors (see below), whose sum is σ = 315000204. Its totient is φ = 105000066.

The previous prime is 210000113. The next prime is 210000139. The reversal of 210000134 is 431000012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500032 + ... + 52500035.

It is an arithmetic number, because the mean of its divisors is an integer number (78750051).

Almost surely, 2^210000134 is an apocalyptic number.

210000134 is a deficient number, since it is larger than the sum of its proper divisors (105000070).

210000134 is a wasteful number, since it uses less digits than its factorization.

210000134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105000069.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 210000134 is about 14491.3813696279. The cubic root of 210000134 is about 594.3923217026.

Adding to 210000134 its reverse (431000012), we get a palindrome (641000146).

The spelling of 210000134 in words is "two hundred ten million, one hundred thirty-four", and thus it is an aban number.