3139929702 has 384 divisors, whose sum is σ = 9434880000. Its totient is φ = 746807040.

The previous prime is 3139929649. The next prime is 3139929739. The reversal of 3139929702 is 2079299313.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 44224327 + ... + 44224397.

It is an arithmetic number, because the mean of its divisors is an integer number (24570000).

Almost surely, 2^3139929702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3139929702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4717440000).

3139929702 is an abundant number, since it is smaller than the sum of its proper divisors (6294950298).

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

3139929702 is a wasteful number, since it uses less digits than its factorization.

3139929702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 3139929702 is about 56035.0756401738. The cubic root of 3139929702 is about 1464.3334225575. Note that the first 3 decimals are identical.

The spelling of 3139929702 in words is "three billion, one hundred thirty-nine million, nine hundred twenty-nine thousand, seven hundred two".