139314427 has 8 divisors (see below), whose sum is σ = 166139136. Its totient is φ = 114220392.

The previous prime is 139314419. The next prime is 139314431. The reversal of 139314427 is 724413931.

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

It is not a de Polignac number, because 139314427 - 2³ = 139314419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139314392 and 139314401.

It is not an unprimeable number, because it can be changed into a prime (139314457) 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, 432493 + ... + 432814.

It is an arithmetic number, because the mean of its divisors is an integer number (20767392).

Almost surely, 2^139314427 is an apocalyptic number.

139314427 is a deficient number, since it is larger than the sum of its proper divisors (26824709).

139314427 is an equidigital number, since it uses as much as digits as its factorization.

139314427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865337.

The product of its digits is 18144, while the sum is 34.

The square root of 139314427 is about 11803.1532651237. The cubic root of 139314427 is about 518.4004434244.

The spelling of 139314427 in words is "one hundred thirty-nine million, three hundred fourteen thousand, four hundred twenty-seven".