2139331216 has 20 divisors (see below), whose sum is σ = 4521768624. Its totient is φ = 972423200.

The previous prime is 2139331193. The next prime is 2139331253. The reversal of 2139331216 is 6121339312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077470 + ... + 6077821.

Almost surely, 2^2139331216 is an apocalyptic number.

It is an amenable number.

2139331216 is an abundant number, since it is smaller than the sum of its proper divisors (2382437408).

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

2139331216 is a wasteful number, since it uses less digits than its factorization.

2139331216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155310 (or 12155304 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 2139331216 is about 46252.9049466085. The cubic root of 2139331216 is about 1288.5244864451.

The spelling of 2139331216 in words is "two billion, one hundred thirty-nine million, three hundred thirty-one thousand, two hundred sixteen".