3216139395 has 32 divisors (see below), whose sum is σ = 5884096512. Its totient is φ = 1469446272.

The previous prime is 3216139393. The next prime is 3216139439. The reversal of 3216139395 is 5939316123.

It is not a de Polignac number, because 3216139395 - 2¹ = 3216139393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3216139391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217869 + ... + 232161.

It is an arithmetic number, because the mean of its divisors is an integer number (183878016).

Almost surely, 2^3216139395 is an apocalyptic number.

3216139395 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3216139395 is a deficient number, since it is larger than the sum of its proper divisors (2667957117).

3216139395 is a wasteful number, since it uses less digits than its factorization.

3216139395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16451.

The product of its digits is 131220, while the sum is 42.

The square root of 3216139395 is about 56711.0165223654. The cubic root of 3216139395 is about 1476.0858643984.

The spelling of 3216139395 in words is "three billion, two hundred sixteen million, one hundred thirty-nine thousand, three hundred ninety-five".