133524537613 has 2 divisors, whose sum is σ = 133524537614. Its totient is φ = 133524537612.

The previous prime is 133524537593. The next prime is 133524537631. The reversal of 133524537613 is 316735425331.

It is a happy number.

Together with next prime (133524537631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95794583049 + 37729954564 = 309507^2 + 194242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133524537613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133524537613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133524567613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66762268806 + 66762268807.

It is an arithmetic number, because the mean of its divisors is an integer number (66762268807).

Almost surely, 2^133524537613 is an apocalyptic number.

It is an amenable number.

133524537613 is a deficient number, since it is larger than the sum of its proper divisors (1).

133524537613 is an equidigital number, since it uses as much as digits as its factorization.

133524537613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 43.

The spelling of 133524537613 in words is "one hundred thirty-three billion, five hundred twenty-four million, five hundred thirty-seven thousand, six hundred thirteen".