185085013 has 8 divisors (see below), whose sum is σ = 189221760. Its totient is φ = 180956640.

The previous prime is 185085007. The next prime is 185085037. The reversal of 185085013 is 310580581.

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

It is a cyclic number.

It is not a de Polignac number, because 185085013 - 2⁵ = 185084981 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 (185085083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68278 + ... + 70936.

It is an arithmetic number, because the mean of its divisors is an integer number (23652720).

Almost surely, 2^185085013 is an apocalyptic number.

It is an amenable number.

185085013 is a deficient number, since it is larger than the sum of its proper divisors (4136747).

185085013 is a wasteful number, since it uses less digits than its factorization.

185085013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 185085013 is about 13604.5952898276. The cubic root of 185085013 is about 569.8891884723.

The spelling of 185085013 in words is "one hundred eighty-five million, eighty-five thousand, thirteen".