118734649 has 8 divisors (see below), whose sum is σ = 131353920. Its totient is φ = 106419600.

The previous prime is 118734599. The next prime is 118734661. The reversal of 118734649 is 946437811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118734649 - 2⁷ = 118734521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118734689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75234 + ... + 76795.

It is an arithmetic number, because the mean of its divisors is an integer number (16419240).

Almost surely, 2^118734649 is an apocalyptic number.

It is an amenable number.

118734649 is a deficient number, since it is larger than the sum of its proper divisors (12619271).

118734649 is a wasteful number, since it uses less digits than its factorization.

118734649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152111.

The product of its digits is 145152, while the sum is 43.

The square root of 118734649 is about 10896.5429839009. The cubic root of 118734649 is about 491.5026053144.

The spelling of 118734649 in words is "one hundred eighteen million, seven hundred thirty-four thousand, six hundred forty-nine".