8139130292 has 12 divisors (see below), whose sum is σ = 14245963200. Its totient is φ = 4068855096.

The previous prime is 8139130291. The next prime is 8139130297. The reversal of 8139130292 is 2920319318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8139130291) 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, 151292 + ... + 197907.

It is an arithmetic number, because the mean of its divisors is an integer number (1187163600).

Almost surely, 2^8139130292 is an apocalyptic number.

It is an amenable number.

8139130292 is a deficient number, since it is larger than the sum of its proper divisors (6106832908).

8139130292 is a wasteful number, since it uses less digits than its factorization.

8139130292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355030 (or 355028 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 8139130292 is about 90217.1285954059. The cubic root of 8139130292 is about 2011.5276203298.

The spelling of 8139130292 in words is "eight billion, one hundred thirty-nine million, one hundred thirty thousand, two hundred ninety-two".