139659430273 has 4 divisors (see below), whose sum is σ = 152355742128. Its totient is φ = 126963118420.

The previous prime is 139659430237. The next prime is 139659430283. The reversal of 139659430273 is 372034956931.

It is a happy number.

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 139659430273 - 2³⁷ = 2220476801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139659430273.

It is not an unprimeable number, because it can be changed into a prime (139659430223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348155911 + ... + 6348155932.

It is an arithmetic number, because the mean of its divisors is an integer number (38088935532).

Almost surely, 2^139659430273 is an apocalyptic number.

It is an amenable number.

139659430273 is a deficient number, since it is larger than the sum of its proper divisors (12696311855).

139659430273 is a wasteful number, since it uses less digits than its factorization.

139659430273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696311854.

The product of its (nonzero) digits is 3674160, while the sum is 52.

The spelling of 139659430273 in words is "one hundred thirty-nine billion, six hundred fifty-nine million, four hundred thirty thousand, two hundred seventy-three".