135275161572531 has 32 divisors (see below), whose sum is σ = 213262645248000. Its totient is φ = 84452007404160.

The previous prime is 135275161572527. The next prime is 135275161572569.

135275161572531 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 7 + 5 + 1 + 61 + 572 + 5 + 3 + 1 = 666.

135275161572531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135275161572531 - 2² = 135275161572527 is a prime.

It is a super-2 number, since 2×135275161572531² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135275161572631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740403955 + ... + 740586636.

It is an arithmetic number, because the mean of its divisors is an integer number (6664457664000).

Almost surely, 2^{135275161572531} is an apocalyptic number.

135275161572531 is a deficient number, since it is larger than the sum of its proper divisors (77987483675469).

135275161572531 is a wasteful number, since it uses less digits than its factorization.

135275161572531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480990816 (or 1480990810 counting only the distinct ones).

The product of its digits is 6615000, while the sum is 54.

The spelling of 135275161572531 in words is "one hundred thirty-five trillion, two hundred seventy-five billion, one hundred sixty-one million, five hundred seventy-two thousand, five hundred thirty-one".