2139585130 has 8 divisors (see below), whose sum is σ = 3851253252. Its totient is φ = 855834048.

The previous prime is 2139585083. The next prime is 2139585139. The reversal of 2139585130 is 315859312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1983009961 + 156575169 = 44531^2 + 12513^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2139585130.

It is not an unprimeable number, because it can be changed into a prime (2139585139) 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, 106979247 + ... + 106979266.

Almost surely, 2^2139585130 is an apocalyptic number.

2139585130 is a deficient number, since it is larger than the sum of its proper divisors (1711668122).

2139585130 is a wasteful number, since it uses less digits than its factorization.

2139585130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213958520.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 2139585130 is about 46255.6497089815. The cubic root of 2139585130 is about 1288.5754621053.

The spelling of 2139585130 in words is "two billion, one hundred thirty-nine million, five hundred eighty-five thousand, one hundred thirty".