135220262022531 has 12 divisors (see below), whose sum is σ = 223220750005552. Its totient is φ = 77268721155696.

The previous prime is 135220262022523. The next prime is 135220262022631.

It is a happy number.

135220262022531 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 2 + 0 + 2 + 620 + 2 + 25 + 3 + 1 = 666.

135220262022531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135220262022531 - 2³ = 135220262022523 is a prime.

It is a super-2 number, since 2×135220262022531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135220262022031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1073176682656 + ... + 1073176682781.

Almost surely, 2^{135220262022531} is an apocalyptic number.

135220262022531 is a deficient number, since it is larger than the sum of its proper divisors (88000487983021).

135220262022531 is a wasteful number, since it uses less digits than its factorization.

135220262022531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146353365450 (or 2146353365447 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 135220262022531 in words is "one hundred thirty-five trillion, two hundred twenty billion, two hundred sixty-two million, twenty-two thousand, five hundred thirty-one".