86919142 has 8 divisors (see below), whose sum is σ = 133902576. Its totient is φ = 42284952.

The previous prime is 86919127. The next prime is 86919143. The reversal of 86919142 is 24191968.

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 = 86919095 and 86919104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86919143) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587218 + ... + 587365.

It is an arithmetic number, because the mean of its divisors is an integer number (16737822).

Almost surely, 2^86919142 is an apocalyptic number.

86919142 is a deficient number, since it is larger than the sum of its proper divisors (46983434).

86919142 is a wasteful number, since it uses less digits than its factorization.

86919142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174622.

The product of its digits is 31104, while the sum is 40.

The square root of 86919142 is about 9323.0436017429. The cubic root of 86919142 is about 442.9674454249.

The spelling of 86919142 in words is "eighty-six million, nine hundred nineteen thousand, one hundred forty-two".