102186364 has 18 divisors (see below), whose sum is σ = 208022640. Its totient is φ = 43794072.

The previous prime is 102186347. The next prime is 102186373. The reversal of 102186364 is 463681201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260484 + ... + 260875.

Almost surely, 2^102186364 is an apocalyptic number.

102186364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102186364 is an abundant number, since it is smaller than the sum of its proper divisors (105836276).

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

102186364 is a wasteful number, since it uses less digits than its factorization.

102186364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521377 (or 521368 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 102186364 is about 10108.7271206616. The cubic root of 102186364 is about 467.5172597934.

The spelling of 102186364 in words is "one hundred two million, one hundred eighty-six thousand, three hundred sixty-four".