135552602573 has 2 divisors, whose sum is σ = 135552602574. Its totient is φ = 135552602572.

The previous prime is 135552602533. The next prime is 135552602579. The reversal of 135552602573 is 375206255531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116637276484 + 18915326089 = 341522^2 + 137533^2 .

It is a cyclic number.

It is not a de Polignac number, because 135552602573 - 2¹⁴ = 135552586189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135552602579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67776301286 + 67776301287.

It is an arithmetic number, because the mean of its divisors is an integer number (67776301287).

Almost surely, 2^135552602573 is an apocalyptic number.

It is an amenable number.

135552602573 is a deficient number, since it is larger than the sum of its proper divisors (1).

135552602573 is an equidigital number, since it uses as much as digits as its factorization.

135552602573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945000, while the sum is 44.

The spelling of 135552602573 in words is "one hundred thirty-five billion, five hundred fifty-two million, six hundred two thousand, five hundred seventy-three".