136524737 has 2 divisors, whose sum is σ = 136524738. Its totient is φ = 136524736.

The previous prime is 136524733. The next prime is 136524769. The reversal of 136524737 is 737425631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122567041 + 13957696 = 11071^2 + 3736^2 .

It is a cyclic number.

It is not a de Polignac number, because 136524737 - 2² = 136524733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136524737.

It is not a weakly prime, because it can be changed into another prime (136524733) 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, 68262368 + 68262369.

It is an arithmetic number, because the mean of its divisors is an integer number (68262369).

Almost surely, 2^136524737 is an apocalyptic number.

It is an amenable number.

136524737 is a deficient number, since it is larger than the sum of its proper divisors (1).

136524737 is an equidigital number, since it uses as much as digits as its factorization.

136524737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 136524737 is about 11684.3800434597. The cubic root of 136524737 is about 514.9168647027.

The spelling of 136524737 in words is "one hundred thirty-six million, five hundred twenty-four thousand, seven hundred thirty-seven".