118840653 has 6 divisors (see below), whose sum is σ = 171658734. Its totient is φ = 79227096.

The previous prime is 118840607. The next prime is 118840697. The reversal of 118840653 is 356048811.

It can be written as a sum of positive squares in only one way, i.e., 103489929 + 15350724 = 10173^2 + 3918^2 .

It is not a de Polignac number, because 118840653 - 2¹⁶ = 118775117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118830653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6602250 + ... + 6602267.

It is an arithmetic number, because the mean of its divisors is an integer number (28609789).

Almost surely, 2^118840653 is an apocalyptic number.

It is an amenable number.

118840653 is a deficient number, since it is larger than the sum of its proper divisors (52818081).

118840653 is a wasteful number, since it uses less digits than its factorization.

118840653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13204523 (or 13204520 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 118840653 is about 10901.4060102356. The cubic root of 118840653 is about 491.6488298167.

The spelling of 118840653 in words is "one hundred eighteen million, eight hundred forty thousand, six hundred fifty-three".