85141690 has 8 divisors (see below), whose sum is σ = 153255060. Its totient is φ = 34056672.

The previous prime is 85141663. The next prime is 85141703. The reversal of 85141690 is 9614158.

It can be written as a sum of positive squares in 2 ways, for example, as 82864609 + 2277081 = 9103^2 + 1509^2 .

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

It is a super-2 number, since 2×85141690² = 14498214752112200, which contains 22 as substring.

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, 4257075 + ... + 4257094.

Almost surely, 2^85141690 is an apocalyptic number.

85141690 is a deficient number, since it is larger than the sum of its proper divisors (68113370).

85141690 is a wasteful number, since it uses less digits than its factorization.

85141690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8514176.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 85141690 is about 9227.2254768159. The cubic root of 85141690 is about 439.9271401396.

The spelling of 85141690 in words is "eighty-five million, one hundred forty-one thousand, six hundred ninety".