85140130 has 8 divisors (see below), whose sum is σ = 153252252. Its totient is φ = 34056048.

The previous prime is 85140113. The next prime is 85140161. The reversal of 85140130 is 3104158.

It can be written as a sum of positive squares in 2 ways, for example, as 85137529 + 2601 = 9227^2 + 51^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256997 + ... + 4257016.

Almost surely, 2^85140130 is an apocalyptic number.

85140130 is a deficient number, since it is larger than the sum of its proper divisors (68112122).

85140130 is a wasteful number, since it uses less digits than its factorization.

85140130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8514020.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 85140130 is about 9227.1409439761. The cubic root of 85140130 is about 439.9244532830.

Adding to 85140130 its reverse (3104158), we get a palindrome (88244288).

The spelling of 85140130 in words is "eighty-five million, one hundred forty thousand, one hundred thirty".