85136330 has 8 divisors (see below), whose sum is σ = 153245412. Its totient is φ = 34054528.

The previous prime is 85136329. The next prime is 85136333. The reversal of 85136330 is 3363158.

It can be written as a sum of positive squares in 2 ways, for example, as 81739681 + 3396649 = 9041^2 + 1843^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 85136293 and 85136302.

It is not an unprimeable number, because it can be changed into a prime (85136333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256807 + ... + 4256826.

Almost surely, 2^85136330 is an apocalyptic number.

85136330 is a deficient number, since it is larger than the sum of its proper divisors (68109082).

85136330 is a wasteful number, since it uses less digits than its factorization.

85136330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513640.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 85136330 is about 9226.9350274075. The cubic root of 85136330 is about 439.9179082386.

Adding to 85136330 its reverse (3363158), we get a palindrome (88499488).

The spelling of 85136330 in words is "eighty-five million, one hundred thirty-six thousand, three hundred thirty".