118440783 has 12 divisors (see below), whose sum is σ = 172846128. Its totient is φ = 78145920.

The previous prime is 118440769. The next prime is 118440787. The reversal of 118440783 is 387044811.

It is not a de Polignac number, because 118440783 - 2⁴ = 118440767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118440787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66963 + ... + 68708.

It is an arithmetic number, because the mean of its divisors is an integer number (14403844).

Almost surely, 2^118440783 is an apocalyptic number.

118440783 is a deficient number, since it is larger than the sum of its proper divisors (54405345).

118440783 is a wasteful number, since it uses less digits than its factorization.

118440783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135774 (or 135771 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 118440783 is about 10883.0502617603. The cubic root of 118440783 is about 491.0967837938.

The spelling of 118440783 in words is "one hundred eighteen million, four hundred forty thousand, seven hundred eighty-three".