136241537 has 2 divisors, whose sum is σ = 136241538. Its totient is φ = 136241536.

The previous prime is 136241531. The next prime is 136241557. The reversal of 136241537 is 735142631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68492176 + 67749361 = 8276^2 + 8231^2 .

It is a cyclic number.

It is not a de Polignac number, because 136241537 - 2⁶ = 136241473 is a prime.

It is not a weakly prime, because it can be changed into another prime (136241531) 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, 68120768 + 68120769.

It is an arithmetic number, because the mean of its divisors is an integer number (68120769).

Almost surely, 2^136241537 is an apocalyptic number.

It is an amenable number.

136241537 is a deficient number, since it is larger than the sum of its proper divisors (1).

136241537 is an equidigital number, since it uses as much as digits as its factorization.

136241537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 136241537 is about 11672.2550092088. The cubic root of 136241537 is about 514.5605790802.

The spelling of 136241537 in words is "one hundred thirty-six million, two hundred forty-one thousand, five hundred thirty-seven".