135257137225613 has 8 divisors (see below), whose sum is σ = 145661905273248. Its totient is φ = 124852422446064.

The previous prime is 135257137225571. The next prime is 135257137225649. The reversal of 135257137225613 is 316522731752531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135257137225613 - 2¹⁶ = 135257137160077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135257137225663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7963631 + ... + 18273852.

It is an arithmetic number, because the mean of its divisors is an integer number (18207738159156).

Almost surely, 2^{135257137225613} is an apocalyptic number.

135257137225613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135257137225613 is a deficient number, since it is larger than the sum of its proper divisors (10404768047635).

135257137225613 is a wasteful number, since it uses less digits than its factorization.

135257137225613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26634043.

The product of its digits is 7938000, while the sum is 53.

The spelling of 135257137225613 in words is "one hundred thirty-five trillion, two hundred fifty-seven billion, one hundred thirty-seven million, two hundred twenty-five thousand, six hundred thirteen".