118645538 has 24 divisors (see below), whose sum is σ = 204917040. Its totient is φ = 51087960.

The previous prime is 118645517. The next prime is 118645547. The reversal of 118645538 is 835546811.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 118645495 and 118645504.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 473 + ... + 15411.

It is an arithmetic number, because the mean of its divisors is an integer number (8538210).

Almost surely, 2^118645538 is an apocalyptic number.

118645538 is a deficient number, since it is larger than the sum of its proper divisors (86271502).

118645538 is a wasteful number, since it uses less digits than its factorization.

118645538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14990 (or 14971 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 118645538 is about 10892.4532590230. The cubic root of 118645538 is about 491.3796160815.

The spelling of 118645538 in words is "one hundred eighteen million, six hundred forty-five thousand, five hundred thirty-eight".