102560138 has 8 divisors (see below), whose sum is σ = 161937120. Its totient is φ = 48581100.

The previous prime is 102560083. The next prime is 102560173. The reversal of 102560138 is 831065201.

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

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 3 ways as a sum of consecutive naturals, for example, 1349438 + ... + 1349513.

It is an arithmetic number, because the mean of its divisors is an integer number (20242140).

Almost surely, 2^102560138 is an apocalyptic number.

102560138 is a deficient number, since it is larger than the sum of its proper divisors (59376982).

102560138 is a wasteful number, since it uses less digits than its factorization.

102560138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698972.

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

The square root of 102560138 is about 10127.1979342758. The cubic root of 102560138 is about 468.0865894035.

The spelling of 102560138 in words is "one hundred two million, five hundred sixty thousand, one hundred thirty-eight".