102366140 has 12 divisors (see below), whose sum is σ = 214968936. Its totient is φ = 40946448.

The previous prime is 102366139. The next prime is 102366149. The reversal of 102366140 is 41663201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102366149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2559134 + ... + 2559173.

It is an arithmetic number, because the mean of its divisors is an integer number (17914078).

Almost surely, 2^102366140 is an apocalyptic number.

102366140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102366140 is an abundant number, since it is smaller than the sum of its proper divisors (112602796).

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

102366140 is a wasteful number, since it uses less digits than its factorization.

102366140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118316 (or 5118314 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 102366140 is about 10117.6153316876. The cubic root of 102366140 is about 467.7912661582.

The spelling of 102366140 in words is "one hundred two million, three hundred sixty-six thousand, one hundred forty".