187095138 has 8 divisors (see below), whose sum is σ = 374190288. Its totient is φ = 62365044.

The previous prime is 187095119. The next prime is 187095151. The reversal of 187095138 is 831590781.

It is a sphenic number, since it is the product of 3 distinct primes.

187095138 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 187095138.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15591256 + ... + 15591267.

It is an arithmetic number, because the mean of its divisors is an integer number (46773786).

Almost surely, 2^187095138 is an apocalyptic number.

187095138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

187095138 is a wasteful number, since it uses less digits than its factorization.

187095138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31182528.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 187095138 is about 13678.2724786429. The cubic root of 187095138 is about 571.9448677037.

The spelling of 187095138 in words is "one hundred eighty-seven million, ninety-five thousand, one hundred thirty-eight".