136271539 has 2 divisors, whose sum is σ = 136271540. Its totient is φ = 136271538.

The previous prime is 136271491. The next prime is 136271543. The reversal of 136271539 is 935172631.

It is a strong prime.

It is an emirp because it is prime and its reverse (935172631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136271539 - 2¹⁵ = 136238771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136271498 and 136271507.

It is not a weakly prime, because it can be changed into another prime (136271579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68135769 + 68135770.

It is an arithmetic number, because the mean of its divisors is an integer number (68135770).

Almost surely, 2^136271539 is an apocalyptic number.

136271539 is a deficient number, since it is larger than the sum of its proper divisors (1).

136271539 is an equidigital number, since it uses as much as digits as its factorization.

136271539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 136271539 is about 11673.5401228590. The cubic root of 136271539 is about 514.5983470859.

The spelling of 136271539 in words is "one hundred thirty-six million, two hundred seventy-one thousand, five hundred thirty-nine".