102194688 has 40 divisors (see below), whose sum is σ = 272257128. Its totient is φ = 34064384.

The previous prime is 102194683. The next prime is 102194689. The reversal of 102194688 is 886491201.

It is a super-3 number, since 3×102194688³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102194683) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31731 + ... + 34802.

Almost surely, 2^102194688 is an apocalyptic number.

It is an amenable number.

102194688 is an abundant number, since it is smaller than the sum of its proper divisors (170062440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102194688 is an frugal number, since it uses more digits than its factorization.

102194688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66554 (or 66538 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 102194688 is about 10109.1388357268. The cubic root of 102194688 is about 467.5299539464.

The spelling of 102194688 in words is "one hundred two million, one hundred ninety-four thousand, six hundred eighty-eight".