103666140 has 36 divisors (see below), whose sum is σ = 314454504. Its totient is φ = 27644256.

The previous prime is 103666117. The next prime is 103666151. The reversal of 103666140 is 41666301.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287782 + ... + 288141.

Almost surely, 2^103666140 is an apocalyptic number.

103666140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103666140 is an abundant number, since it is smaller than the sum of its proper divisors (210788364).

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

103666140 is a wasteful number, since it uses less digits than its factorization.

103666140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575938 (or 575933 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 103666140 is about 10181.6570360625. The cubic root of 103666140 is about 469.7631823401.

It can be divided in two parts, 1036 and 66140, that added together give a palindrome (67176).

The spelling of 103666140 in words is "one hundred three million, six hundred sixty-six thousand, one hundred forty".