85088138 has 8 divisors (see below), whose sum is σ = 127693632. Its totient is φ = 42523596.

The previous prime is 85088131. The next prime is 85088167. The reversal of 85088138 is 83188058.

It is a happy number.

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 = 85088095 and 85088104.

It is not an unprimeable number, because it can be changed into a prime (85088131) 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, 4370 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (15961704).

Almost surely, 2^85088138 is an apocalyptic number.

85088138 is a deficient number, since it is larger than the sum of its proper divisors (42605494).

85088138 is a wasteful number, since it uses less digits than its factorization.

85088138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20476.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 85088138 is about 9224.3231730030. The cubic root of 85088138 is about 439.8348863946.

It can be divided in two parts, 850 and 88138, that added together give a palindrome (88988).

The spelling of 85088138 in words is "eighty-five million, eighty-eight thousand, one hundred thirty-eight".