102109814 has 8 divisors (see below), whose sum is σ = 153301248. Its totient is φ = 51009400.

The previous prime is 102109807. The next prime is 102109829. The reversal of 102109814 is 418901201.

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

It is a super-2 number, since 2×102109814² = 20852828230229192, which contains 22 as substring.

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, 19877 + ... + 24480.

It is an arithmetic number, because the mean of its divisors is an integer number (19162656).

Almost surely, 2^102109814 is an apocalyptic number.

102109814 is a deficient number, since it is larger than the sum of its proper divisors (51191434).

102109814 is a wasteful number, since it uses less digits than its factorization.

102109814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45510.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 102109814 is about 10104.9400789911. The cubic root of 102109814 is about 467.4004882231.

The spelling of 102109814 in words is "one hundred two million, one hundred nine thousand, eight hundred fourteen".