3129639202 has 8 divisors (see below), whose sum is σ = 4694784336. Its totient is φ = 1564711092.

The previous prime is 3129639199. The next prime is 3129639203. The reversal of 3129639202 is 2029369213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3129639203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11448 + ... + 79939.

It is an arithmetic number, because the mean of its divisors is an integer number (586848042).

Almost surely, 2^3129639202 is an apocalyptic number.

3129639202 is a deficient number, since it is larger than the sum of its proper divisors (1565145134).

3129639202 is a wasteful number, since it uses less digits than its factorization.

3129639202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108512.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 3129639202 is about 55943.1783330193. The cubic root of 3129639202 is about 1462.7319838691.

The spelling of 3129639202 in words is "three billion, one hundred twenty-nine million, six hundred thirty-nine thousand, two hundred two".