285032137 has 8 divisors (see below), whose sum is σ = 311540096. Its totient is φ = 259178832.

The previous prime is 285032119. The next prime is 285032141. The reversal of 285032137 is 731230582.

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 285032137 - 2¹⁵ = 284999369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285032099 and 285032108.

It is not an unprimeable number, because it can be changed into a prime (285032107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162753 + ... + 164494.

It is an arithmetic number, because the mean of its divisors is an integer number (38942512).

Almost surely, 2^285032137 is an apocalyptic number.

It is an amenable number.

285032137 is a deficient number, since it is larger than the sum of its proper divisors (26507959).

285032137 is a wasteful number, since it uses less digits than its factorization.

285032137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327327.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 285032137 is about 16882.8948050979. The cubic root of 285032137 is about 658.1091711027.

The spelling of 285032137 in words is "two hundred eighty-five million, thirty-two thousand, one hundred thirty-seven".