187134013 has 8 divisors (see below), whose sum is σ = 211186080. Its totient is φ = 164255280.

The previous prime is 187134007. The next prime is 187134029. The reversal of 187134013 is 310431781.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-187134013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187134083) 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, 292995 + ... + 293632.

It is an arithmetic number, because the mean of its divisors is an integer number (26398260).

Almost surely, 2^187134013 is an apocalyptic number.

It is an amenable number.

187134013 is a deficient number, since it is larger than the sum of its proper divisors (24052067).

187134013 is a wasteful number, since it uses less digits than its factorization.

187134013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586667.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 187134013 is about 13679.6934541678. The cubic root of 187134013 is about 571.9844782412.

Adding to 187134013 its reverse (310431781), we get a palindrome (497565794).

The spelling of 187134013 in words is "one hundred eighty-seven million, one hundred thirty-four thousand, thirteen".