118646130 has 16 divisors (see below), whose sum is σ = 284750784. Its totient is φ = 31638960.

The previous prime is 118646117. The next prime is 118646137. The reversal of 118646130 is 31646811.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3954871 = 118646130 / (1 + 1 + 8 + 6 + 4 + 6 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (118646137) 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, 1977406 + ... + 1977465.

It is an arithmetic number, because the mean of its divisors is an integer number (17796924).

Almost surely, 2^118646130 is an apocalyptic number.

118646130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118646130 is an abundant number, since it is smaller than the sum of its proper divisors (166104654).

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

118646130 is a wasteful number, since it uses less digits than its factorization.

118646130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954881.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 118646130 is about 10892.4804337671. The cubic root of 118646130 is about 491.3804333514.

The spelling of 118646130 in words is "one hundred eighteen million, six hundred forty-six thousand, one hundred thirty".