102352138 has 64 divisors (see below), whose sum is σ = 195022080. Its totient is φ = 39287808.

The previous prime is 102352099. The next prime is 102352147. The reversal of 102352138 is 831253201.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 519456 + ... + 519652.

It is an arithmetic number, because the mean of its divisors is an integer number (3047220).

Almost surely, 2^102352138 is an apocalyptic number.

102352138 is a deficient number, since it is larger than the sum of its proper divisors (92669942).

102352138 is a wasteful number, since it uses less digits than its factorization.

102352138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 102352138 is about 10116.9233465516. The cubic root of 102352138 is about 467.7699364751.

The spelling of 102352138 in words is "one hundred two million, three hundred fifty-two thousand, one hundred thirty-eight".