2139782367 has 16 divisors (see below), whose sum is σ = 3023572320. Its totient is φ = 1341407232.

The previous prime is 2139782357. The next prime is 2139782389. The reversal of 2139782367 is 7632879312.

It is a de Polignac number, because none of the positive numbers 2^k-2139782367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139782357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40609 + ... + 76997.

It is an arithmetic number, because the mean of its divisors is an integer number (188973270).

Almost surely, 2^2139782367 is an apocalyptic number.

2139782367 is a deficient number, since it is larger than the sum of its proper divisors (883789953).

2139782367 is a wasteful number, since it uses less digits than its factorization.

2139782367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37562.

The product of its digits is 762048, while the sum is 48.

The square root of 2139782367 is about 46257.7816913003. The cubic root of 2139782367 is about 1288.6150565334.

The spelling of 2139782367 in words is "two billion, one hundred thirty-nine million, seven hundred eighty-two thousand, three hundred sixty-seven".