102309814 has 8 divisors (see below), whose sum is σ = 157033800. Its totient is φ = 49965216.

The previous prime is 102309761. The next prime is 102309829. The reversal of 102309814 is 418903201.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594739 + ... + 594910.

It is an arithmetic number, because the mean of its divisors is an integer number (19629225).

Almost surely, 2^102309814 is an apocalyptic number.

102309814 is a deficient number, since it is larger than the sum of its proper divisors (54723986).

102309814 is a wasteful number, since it uses less digits than its factorization.

102309814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189694.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 102309814 is about 10114.8313876209. The cubic root of 102309814 is about 467.7054511772.

The spelling of 102309814 in words is "one hundred two million, three hundred nine thousand, eight hundred fourteen".