118249330 has 16 divisors (see below), whose sum is σ = 218040984. Its totient is φ = 46145920.

The previous prime is 118249309. The next prime is 118249337. The reversal of 118249330 is 33942811.

It can be written as a sum of positive squares in 4 ways, for example, as 82500889 + 35748441 = 9083^2 + 5979^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118249292 and 118249301.

It is not an unprimeable number, because it can be changed into a prime (118249337) 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, 143797 + ... + 144616.

Almost surely, 2^118249330 is an apocalyptic number.

118249330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118249330 is a deficient number, since it is larger than the sum of its proper divisors (99791654).

118249330 is a wasteful number, since it uses less digits than its factorization.

118249330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288461.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 118249330 is about 10874.2507787893. The cubic root of 118249330 is about 490.8320307919.

The spelling of 118249330 in words is "one hundred eighteen million, two hundred forty-nine thousand, three hundred thirty".