1352272139 has 2 divisors, whose sum is σ = 1352272140. Its totient is φ = 1352272138.

The previous prime is 1352272091. The next prime is 1352272171. The reversal of 1352272139 is 9312722531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1352272139 - 2⁸ = 1352271883 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1352272099 and 1352272108.

It is not a weakly prime, because it can be changed into another prime (1352272039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676136069 + 676136070.

It is an arithmetic number, because the mean of its divisors is an integer number (676136070).

Almost surely, 2^1352272139 is an apocalyptic number.

1352272139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352272139 is an equidigital number, since it uses as much as digits as its factorization.

1352272139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 1352272139 is about 36773.2530380438. The cubic root of 1352272139 is about 1105.8291488457.

The spelling of 1352272139 in words is "one billion, three hundred fifty-two million, two hundred seventy-two thousand, one hundred thirty-nine".