2158142086 has 8 divisors (see below), whose sum is σ = 3298292784. Its totient is φ = 1058711160.

The previous prime is 2158142083. The next prime is 2158142111. The reversal of 2158142086 is 6802418512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158142083) 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, 10179810 + ... + 10180021.

It is an arithmetic number, because the mean of its divisors is an integer number (412286598).

Almost surely, 2^2158142086 is an apocalyptic number.

2158142086 is a deficient number, since it is larger than the sum of its proper divisors (1140150698).

2158142086 is a wasteful number, since it uses less digits than its factorization.

2158142086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20359886.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2158142086 is about 46455.8078823305. The cubic root of 2158142086 is about 1292.2900822995.

The spelling of 2158142086 in words is "two billion, one hundred fifty-eight million, one hundred forty-two thousand, eighty-six".