102806135 has 8 divisors (see below), whose sum is σ = 124520976. Its totient is φ = 81475840.

The previous prime is 102806117. The next prime is 102806141. The reversal of 102806135 is 531608201.

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

It is not a de Polignac number, because 102806135 - 2¹⁰ = 102805111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95546 + ... + 96615.

It is an arithmetic number, because the mean of its divisors is an integer number (15565122).

Almost surely, 2^102806135 is an apocalyptic number.

102806135 is a deficient number, since it is larger than the sum of its proper divisors (21714841).

102806135 is a wasteful number, since it uses less digits than its factorization.

102806135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192273.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 102806135 is about 10139.3360236260. The cubic root of 102806135 is about 468.4605357153.

The spelling of 102806135 in words is "one hundred two million, eight hundred six thousand, one hundred thirty-five".