102194132 has 6 divisors (see below), whose sum is σ = 178839738. Its totient is φ = 51097064.

The previous prime is 102194119. The next prime is 102194159. The reversal of 102194132 is 231491201.

It can be written as a sum of positive squares in only one way, i.e., 100080016 + 2114116 = 10004^2 + 1454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102194098 and 102194107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12774263 + ... + 12774270.

It is an arithmetic number, because the mean of its divisors is an integer number (29806623).

Almost surely, 2^102194132 is an apocalyptic number.

It is an amenable number.

102194132 is a deficient number, since it is larger than the sum of its proper divisors (76645606).

102194132 is a wasteful number, since it uses less digits than its factorization.

102194132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25548537 (or 25548535 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 102194132 is about 10109.1113358198. Note that the first 3 decimals coincide. The cubic root of 102194132 is about 467.5291060643.

The spelling of 102194132 in words is "one hundred two million, one hundred ninety-four thousand, one hundred thirty-two".