139470044927 has 4 divisors (see below), whose sum is σ = 139474527480. Its totient is φ = 139465562376.

The previous prime is 139470044899. The next prime is 139470045019. The reversal of 139470044927 is 729440074931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729440074931 = 37493 ⋅19455367.

It is a cyclic number.

It is not a de Polignac number, because 139470044927 - 2²⁰ = 139468996351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139470014927) 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, 2194277 + ... + 2256942.

It is an arithmetic number, because the mean of its divisors is an integer number (34868631870).

Almost surely, 2^139470044927 is an apocalyptic number.

139470044927 is a deficient number, since it is larger than the sum of its proper divisors (4482553).

139470044927 is an equidigital number, since it uses as much as digits as its factorization.

139470044927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482552.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 139470044927 in words is "one hundred thirty-nine billion, four hundred seventy million, forty-four thousand, nine hundred twenty-seven".