135452372599529 has 2 divisors, whose sum is σ = 135452372599530. Its totient is φ = 135452372599528.

The previous prime is 135452372599429. The next prime is 135452372599541. The reversal of 135452372599529 is 925995273254531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134044827639529 + 1407544960000 = 11577773^2 + 1186400^2 .

It is a cyclic number.

It is not a de Polignac number, because 135452372599529 - 2¹² = 135452372595433 is a prime.

It is a super-2 number, since 2×135452372599529² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135452372599559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67726186299764 + 67726186299765.

It is an arithmetic number, because the mean of its divisors is an integer number (67726186299765).

Almost surely, 2^{135452372599529} is an apocalyptic number.

It is an amenable number.

135452372599529 is a deficient number, since it is larger than the sum of its proper divisors (1).

135452372599529 is an equidigital number, since it uses as much as digits as its factorization.

135452372599529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540000, while the sum is 71.

The spelling of 135452372599529 in words is "one hundred thirty-five trillion, four hundred fifty-two billion, three hundred seventy-two million, five hundred ninety-nine thousand, five hundred twenty-nine".