102705134 has 8 divisors (see below), whose sum is σ = 176065968. Its totient is φ = 44016480.

The previous prime is 102705133. The next prime is 102705137. The reversal of 102705134 is 431507201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102705133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668027 + ... + 3668054.

It is an arithmetic number, because the mean of its divisors is an integer number (22008246).

Almost surely, 2^102705134 is an apocalyptic number.

102705134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102705134 is a deficient number, since it is larger than the sum of its proper divisors (73360834).

102705134 is an equidigital number, since it uses as much as digits as its factorization.

102705134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336090.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 102705134 is about 10134.3541481438. The cubic root of 102705134 is about 468.3070737786.

The spelling of 102705134 in words is "one hundred two million, seven hundred five thousand, one hundred thirty-four".