85619138 has 8 divisors (see below), whose sum is σ = 140104080. Its totient is φ = 38917780.

The previous prime is 85619129. The next prime is 85619141. The reversal of 85619138 is 83191658.

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 = 85619095 and 85619104.

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, 1945868 + ... + 1945911.

It is an arithmetic number, because the mean of its divisors is an integer number (17513010).

Almost surely, 2^85619138 is an apocalyptic number.

85619138 is a deficient number, since it is larger than the sum of its proper divisors (54484942).

85619138 is a wasteful number, since it uses less digits than its factorization.

85619138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891792.

The product of its digits is 51840, while the sum is 41.

The square root of 85619138 is about 9253.0610070398. The cubic root of 85619138 is about 440.7479324547.

The spelling of 85619138 in words is "eighty-five million, six hundred nineteen thousand, one hundred thirty-eight".