107643189 has 16 divisors (see below), whose sum is σ = 151359680. Its totient is φ = 67858560.

The previous prime is 107643187. The next prime is 107643247. The reversal of 107643189 is 981346701.

It is not a de Polignac number, because 107643189 - 2¹ = 107643187 is a prime.

It is a super-2 number, since 2×107643189² = 23174112276179442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107643181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36249 + ... + 39105.

It is an arithmetic number, because the mean of its divisors is an integer number (9459980).

Almost surely, 2^107643189 is an apocalyptic number.

107643189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

107643189 is a deficient number, since it is larger than the sum of its proper divisors (43716491).

107643189 is a wasteful number, since it uses less digits than its factorization.

107643189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 107643189 is about 10375.1235655292. The cubic root of 107643189 is about 475.6952905303.

The spelling of 107643189 in words is "one hundred seven million, six hundred forty-three thousand, one hundred eighty-nine".