3216139374 has 32 divisors (see below), whose sum is σ = 7354676736. Its totient is φ = 918459360.

The previous prime is 3216139369. The next prime is 3216139379. The reversal of 3216139374 is 4739316123.

It is an interprime number because it is at equal distance from previous prime (3216139369) and next prime (3216139379).

It is a super-2 number, since 2×3216139374² = 20687104945986223752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216139379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76839 + ... + 111069.

It is an arithmetic number, because the mean of its divisors is an integer number (229833648).

Almost surely, 2^3216139374 is an apocalyptic number.

3216139374 is an abundant number, since it is smaller than the sum of its proper divisors (4138537362).

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

3216139374 is a wasteful number, since it uses less digits than its factorization.

3216139374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36480.

The product of its digits is 81648, while the sum is 39.

The square root of 3216139374 is about 56711.0163372162. The cubic root of 3216139374 is about 1476.0858611857.

The spelling of 3216139374 in words is "three billion, two hundred sixteen million, one hundred thirty-nine thousand, three hundred seventy-four".