85530137 has 16 divisors (see below), whose sum is σ = 108816000. Its totient is φ = 66643920.

The previous prime is 85530119. The next prime is 85530143. The reversal of 85530137 is 73103558.

It is not a de Polignac number, because 85530137 - 2¹⁶ = 85464601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85530187) 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 15 ways as a sum of consecutive naturals, for example, 7562 + ... + 15107.

It is an arithmetic number, because the mean of its divisors is an integer number (6801000).

Almost surely, 2^85530137 is an apocalyptic number.

It is an amenable number.

85530137 is a deficient number, since it is larger than the sum of its proper divisors (23285863).

85530137 is a wasteful number, since it uses less digits than its factorization.

85530137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22701 (or 22687 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 85530137 is about 9248.2504831995. The cubic root of 85530137 is about 440.5951605097.

The spelling of 85530137 in words is "eighty-five million, five hundred thirty thousand, one hundred thirty-seven".