102539534 has 8 divisors (see below), whose sum is σ = 159113160. Its totient is φ = 49501816.

The previous prime is 102539533. The next prime is 102539539. The reversal of 102539534 is 435935201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102539534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102539531) 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 3 ways as a sum of consecutive naturals, for example, 883904 + ... + 884019.

It is an arithmetic number, because the mean of its divisors is an integer number (19889145).

Almost surely, 2^102539534 is an apocalyptic number.

102539534 is a deficient number, since it is larger than the sum of its proper divisors (56573626).

102539534 is a wasteful number, since it uses less digits than its factorization.

102539534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767954.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 102539534 is about 10126.1806225250. The cubic root of 102539534 is about 468.0552416103.

The spelling of 102539534 in words is "one hundred two million, five hundred thirty-nine thousand, five hundred thirty-four".