2139247170 has 48 divisors (see below), whose sum is σ = 5616067392. Its totient is φ = 564924960.

The previous prime is 2139247153. The next prime is 2139247199. The reversal of 2139247170 is 717429312.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106116 + ... + 124655.

It is an arithmetic number, because the mean of its divisors is an integer number (117001404).

Almost surely, 2^2139247170 is an apocalyptic number.

2139247170 is an abundant number, since it is smaller than the sum of its proper divisors (3476820222).

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

2139247170 is a wasteful number, since it uses less digits than its factorization.

2139247170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230887 (or 230884 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2139247170 is about 46251.9963893452. The cubic root of 2139247170 is about 1288.5076125195.

The spelling of 2139247170 in words is "two billion, one hundred thirty-nine million, two hundred forty-seven thousand, one hundred seventy".