135525264257 has 8 divisors (see below), whose sum is σ = 136366238784. Its totient is φ = 134684406288.

The previous prime is 135525264241. The next prime is 135525264299. The reversal of 135525264257 is 752462525531.

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 135525264257 - 2⁴ = 135525264241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135525264757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4134143 + ... + 4166795.

It is an arithmetic number, because the mean of its divisors is an integer number (17045779848).

Almost surely, 2^135525264257 is an apocalyptic number.

It is an amenable number.

135525264257 is a deficient number, since it is larger than the sum of its proper divisors (840974527).

135525264257 is a wasteful number, since it uses less digits than its factorization.

135525264257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58279.

The product of its digits is 2520000, while the sum is 47.

Adding to 135525264257 its reverse (752462525531), we get a palindrome (887987789788).

The spelling of 135525264257 in words is "one hundred thirty-five billion, five hundred twenty-five million, two hundred sixty-four thousand, two hundred fifty-seven".