85530136 has 8 divisors (see below), whose sum is σ = 160369020. Its totient is φ = 42765064.

The previous prime is 85530119. The next prime is 85530143. The reversal of 85530136 is 63103558.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 85530098 and 85530107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5345626 + ... + 5345641.

Almost surely, 2^85530136 is an apocalyptic number.

It is an amenable number.

85530136 is a deficient number, since it is larger than the sum of its proper divisors (74838884).

85530136 is a wasteful number, since it uses less digits than its factorization.

85530136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10691273 (or 10691269 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 85530136 is about 9248.2504291352. The cubic root of 85530136 is about 440.5951587926.

The spelling of 85530136 in words is "eighty-five million, five hundred thirty thousand, one hundred thirty-six".