85950138 has 16 divisors (see below), whose sum is σ = 174814560. Its totient is φ = 28164336.

The previous prime is 85950083. The next prime is 85950157. The reversal of 85950138 is 83105958.

It is a junction number, because it is equal to n+sod(n) for n = 85950096 and 85950105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121045 + ... + 121752.

It is an arithmetic number, because the mean of its divisors is an integer number (10925910).

Almost surely, 2^85950138 is an apocalyptic number.

85950138 is an abundant number, since it is smaller than the sum of its proper divisors (88864422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85950138 is a wasteful number, since it uses less digits than its factorization.

85950138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242861.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 85950138 is about 9270.9297268397. The cubic root of 85950138 is about 441.3151731183.

The spelling of 85950138 in words is "eighty-five million, nine hundred fifty thousand, one hundred thirty-eight".