118421336 has 32 divisors (see below), whose sum is σ = 243060480. Its totient is φ = 53642400.

The previous prime is 118421323. The next prime is 118421339. The reversal of 118421336 is 633124811.

It is a super-2 number, since 2×118421336² = 28047225640049792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 118421299 and 118421308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118421339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25205 + ... + 29531.

It is an arithmetic number, because the mean of its divisors is an integer number (7595640).

Almost surely, 2^118421336 is an apocalyptic number.

It is an amenable number.

118421336 is an abundant number, since it is smaller than the sum of its proper divisors (124639144).

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

118421336 is a wasteful number, since it uses less digits than its factorization.

118421336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655 (or 4651 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 118421336 is about 10882.1567715228. The cubic root of 118421336 is about 491.0699043083.

The spelling of 118421336 in words is "one hundred eighteen million, four hundred twenty-one thousand, three hundred thirty-six".