102005135 has 8 divisors (see below), whose sum is σ = 122799120. Its totient is φ = 81342144.

The previous prime is 102005077. The next prime is 102005173. The reversal of 102005135 is 531500201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102005135 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31025 + ... + 34154.

It is an arithmetic number, because the mean of its divisors is an integer number (15349890).

Almost surely, 2^102005135 is an apocalyptic number.

102005135 is a deficient number, since it is larger than the sum of its proper divisors (20793985).

102005135 is an equidigital number, since it uses as much as digits as its factorization.

102005135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65497.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 102005135 is about 10099.7591555443. The cubic root of 102005135 is about 467.2407133602.

Adding to 102005135 its reverse (531500201), we get a palindrome (633505336).

The spelling of 102005135 in words is "one hundred two million, five thousand, one hundred thirty-five".