187819801885130 has 16 divisors (see below), whose sum is σ = 338078054500704. Its totient is φ = 75127384952400.

The previous prime is 187819801885129. The next prime is 187819801885207. The reversal of 187819801885130 is 31588108918781.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65501396 + ... + 68308655.

It is an arithmetic number, because the mean of its divisors is an integer number (21129878406294).

Almost surely, 2^{187819801885130} is an apocalyptic number.

187819801885130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

187819801885130 is a deficient number, since it is larger than the sum of its proper divisors (150258252615574).

187819801885130 is a wasteful number, since it uses less digits than its factorization.

187819801885130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133950421.

The product of its (nonzero) digits is 30965760, while the sum is 68.

The spelling of 187819801885130 in words is "one hundred eighty-seven trillion, eight hundred nineteen billion, eight hundred one million, eight hundred eighty-five thousand, one hundred thirty".