139029302472009 has 4 divisors (see below), whose sum is σ = 185372403296016. Its totient is φ = 92686201648004.

The previous prime is 139029302471929. The next prime is 139029302472019. The reversal of 139029302472009 is 900274203920931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139029302472009 - 2²³ = 139029294083401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139029302472019) 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, 23171550411999 + ... + 23171550412004.

It is an arithmetic number, because the mean of its divisors is an integer number (46343100824004).

Almost surely, 2^{139029302472009} is an apocalyptic number.

It is an amenable number.

139029302472009 is a deficient number, since it is larger than the sum of its proper divisors (46343100824007).

139029302472009 is an equidigital number, since it uses as much as digits as its factorization.

139029302472009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46343100824006.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 139029302472009 in words is "one hundred thirty-nine trillion, twenty-nine billion, three hundred two million, four hundred seventy-two thousand, nine".