102535239 has 8 divisors (see below), whose sum is σ = 137362432. Its totient is φ = 68032440.

The previous prime is 102535217. The next prime is 102535241. The reversal of 102535239 is 932535201.

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

It is not a de Polignac number, because 102535239 - 2⁵ = 102535207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102535339) 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 7 ways as a sum of consecutive naturals, for example, 80359 + ... + 81624.

It is an arithmetic number, because the mean of its divisors is an integer number (17170304).

Almost surely, 2^102535239 is an apocalyptic number.

102535239 is a deficient number, since it is larger than the sum of its proper divisors (34827193).

102535239 is a wasteful number, since it uses less digits than its factorization.

102535239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162197.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 102535239 is about 10125.9685462676. The cubic root of 102535239 is about 468.0487064875.

The spelling of 102535239 in words is "one hundred two million, five hundred thirty-five thousand, two hundred thirty-nine".