102185136 has 60 divisors (see below), whose sum is σ = 298419888. Its totient is φ = 32579712.

The previous prime is 102185119. The next prime is 102185137. The reversal of 102185136 is 631581201.

It is not an unprimeable number, because it can be changed into a prime (102185137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12115 + ... + 18738.

Almost surely, 2^102185136 is an apocalyptic number.

102185136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102185136 is an abundant number, since it is smaller than the sum of its proper divisors (196234752).

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

102185136 is a wasteful number, since it uses less digits than its factorization.

102185136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30890 (or 30881 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 102185136 is about 10108.6663808833. Note that the first 3 decimals coincide. The cubic root of 102185136 is about 467.5153870273.

The spelling of 102185136 in words is "one hundred two million, one hundred eighty-five thousand, one hundred thirty-six".