107775140 has 24 divisors (see below), whose sum is σ = 246903552. Its totient is φ = 39190880.

The previous prime is 107775139. The next prime is 107775149. The reversal of 107775140 is 41577701.

Added to its reverse (41577701) it gives a square (149352841 = 12221²).

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 107775097 and 107775106.

It is not an unprimeable number, because it can be changed into a prime (107775149) by changing a digit.

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, 244724 + ... + 245163.

It is an arithmetic number, because the mean of its divisors is an integer number (10287648).

Almost surely, 2^107775140 is an apocalyptic number.

107775140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107775140 is an abundant number, since it is smaller than the sum of its proper divisors (139128412).

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

107775140 is a wasteful number, since it uses less digits than its factorization.

107775140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489907 (or 489905 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 107775140 is about 10381.4806265773. The cubic root of 107775140 is about 475.8895831735.

Adding to 107775140 its reverse (41577701), we get a square (149352841 = 12221²).

The spelling of 107775140 in words is "one hundred seven million, seven hundred seventy-five thousand, one hundred forty".