86069142 has 48 divisors (see below), whose sum is σ = 194310480. Its totient is φ = 28553472.

The previous prime is 86069131. The next prime is 86069143. The reversal of 86069142 is 24196068.

86069142 is a `hidden beast` number, since 8 + 606 + 9 + 1 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 86069097 and 86069106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86069143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198558 + ... + 198990.

It is an arithmetic number, because the mean of its divisors is an integer number (4048135).

Almost surely, 2^86069142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86069142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97155240).

86069142 is an abundant number, since it is smaller than the sum of its proper divisors (108241338).

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

86069142 is a wasteful number, since it uses less digits than its factorization.

86069142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 86069142 is about 9277.3456333156. The cubic root of 86069142 is about 441.5187564683.

The spelling of 86069142 in words is "eighty-six million, sixty-nine thousand, one hundred forty-two".