102214340 has 12 divisors (see below), whose sum is σ = 214650156. Its totient is φ = 40885728.

The previous prime is 102214291. The next prime is 102214349. The reversal of 102214340 is 43412201.

It can be written as a sum of positive squares in 2 ways, for example, as 10705984 + 91508356 = 3272^2 + 9566^2 .

It is not an unprimeable number, because it can be changed into a prime (102214349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555339 + ... + 2555378.

It is an arithmetic number, because the mean of its divisors is an integer number (17887513).

Almost surely, 2^102214340 is an apocalyptic number.

102214340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102214340 is an abundant number, since it is smaller than the sum of its proper divisors (112435816).

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

102214340 is a wasteful number, since it uses less digits than its factorization.

102214340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110726 (or 5110724 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102214340 is about 10110.1107807976. The cubic root of 102214340 is about 467.5599206370.

Adding to 102214340 its reverse (43412201), we get a palindrome (145626541).

The spelling of 102214340 in words is "one hundred two million, two hundred fourteen thousand, three hundred forty".