118146730 has 16 divisors (see below), whose sum is σ = 229023144. Its totient is φ = 43623360.

The previous prime is 118146709. The next prime is 118146737. The reversal of 118146730 is 37641811.

It can be written as a sum of positive squares in 4 ways, for example, as 94614529 + 23532201 = 9727^2 + 4851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118146692 and 118146701.

It is not an unprimeable number, because it can be changed into a prime (118146737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454281 + ... + 454540.

Almost surely, 2^118146730 is an apocalyptic number.

118146730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118146730 is a deficient number, since it is larger than the sum of its proper divisors (110876414).

118146730 is a wasteful number, since it uses less digits than its factorization.

118146730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908841.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 118146730 is about 10869.5321886455. The cubic root of 118146730 is about 490.6900315707.

The spelling of 118146730 in words is "one hundred eighteen million, one hundred forty-six thousand, seven hundred thirty".