85391132 has 12 divisors (see below), whose sum is σ = 151539696. Its totient is φ = 42094080.

The previous prime is 85391101. The next prime is 85391161. The reversal of 85391132 is 23119358.

It is a congruent number.

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, 150053 + ... + 150620.

It is an arithmetic number, because the mean of its divisors is an integer number (12628308).

Almost surely, 2^85391132 is an apocalyptic number.

It is an amenable number.

85391132 is a deficient number, since it is larger than the sum of its proper divisors (66148564).

85391132 is a wasteful number, since it uses less digits than its factorization.

85391132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300748 (or 300746 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 85391132 is about 9240.7322220699. The cubic root of 85391132 is about 440.3563435609.

The spelling of 85391132 in words is "eighty-five million, three hundred ninety-one thousand, one hundred thirty-two".