102134305 has 48 divisors (see below), whose sum is σ = 156847104. Its totient is φ = 62449920.

The previous prime is 102134303. The next prime is 102134323. The reversal of 102134305 is 503431201.

It is not a de Polignac number, because 102134305 - 2¹ = 102134303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102134303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183087 + ... + 183643.

It is an arithmetic number, because the mean of its divisors is an integer number (3267648).

Almost surely, 2^102134305 is an apocalyptic number.

It is an amenable number.

102134305 is a deficient number, since it is larger than the sum of its proper divisors (54712799).

102134305 is a wasteful number, since it uses less digits than its factorization.

102134305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102134305 is about 10106.1518393501. The cubic root of 102134305 is about 467.4378538455.

Adding to 102134305 its reverse (503431201), we get a palindrome (605565506).

The spelling of 102134305 in words is "one hundred two million, one hundred thirty-four thousand, three hundred five".