139043927 has 8 divisors (see below), whose sum is σ = 151818240. Its totient is φ = 126291960.

The previous prime is 139043917. The next prime is 139043929. The reversal of 139043927 is 729340931.

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

It is a cyclic number.

It is not a de Polignac number, because 139043927 - 2⁴ = 139043911 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 (139043929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9128 + ... + 19010.

It is an arithmetic number, because the mean of its divisors is an integer number (18977280).

Almost surely, 2^139043927 is an apocalyptic number.

139043927 is a deficient number, since it is larger than the sum of its proper divisors (12774313).

139043927 is a wasteful number, since it uses less digits than its factorization.

139043927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11173.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 139043927 is about 11791.6888951498. The cubic root of 139043927 is about 518.0647084530.

The spelling of 139043927 in words is "one hundred thirty-nine million, forty-three thousand, nine hundred twenty-seven".