102389136 has 40 divisors (see below), whose sum is σ = 270961824. Its totient is φ = 33296640.

The previous prime is 102389099. The next prime is 102389141. The reversal of 102389136 is 631983201.

It is a junction number, because it is equal to n+sod(n) for n = 102389097 and 102389106.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24046 + ... + 27981.

Almost surely, 2^102389136 is an apocalyptic number.

102389136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102389136 is an abundant number, since it is smaller than the sum of its proper divisors (168572688).

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

102389136 is a wasteful number, since it uses less digits than its factorization.

102389136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52079 (or 52073 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 102389136 is about 10118.7517016676. The cubic root of 102389136 is about 467.8262924619.

The spelling of 102389136 in words is "one hundred two million, three hundred eighty-nine thousand, one hundred thirty-six".