2146500087 has 8 divisors (see below), whose sum is σ = 3030353136. Its totient is φ = 1346823552.

The previous prime is 2146500079. The next prime is 2146500089. The reversal of 2146500087 is 7800056412.

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

It is not a de Polignac number, because 2146500087 - 2³ = 2146500079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146500089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21044068 + ... + 21044169.

It is an arithmetic number, because the mean of its divisors is an integer number (378794142).

Almost surely, 2^2146500087 is an apocalyptic number.

2146500087 is a deficient number, since it is larger than the sum of its proper divisors (883853049).

2146500087 is a wasteful number, since it uses less digits than its factorization.

2146500087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42088257.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2146500087 is about 46330.3365733512. The cubic root of 2146500087 is about 1289.9621580150.

Adding to 2146500087 its reverse (7800056412), we get a palindrome (9946556499).

The spelling of 2146500087 in words is "two billion, one hundred forty-six million, five hundred thousand, eighty-seven".