135320545023531 has 32 divisors (see below), whose sum is σ = 212117908584960. Its totient is φ = 75114588231936.

The previous prime is 135320545023481. The next prime is 135320545023551.

135320545023531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135320545023531 - 2¹⁷ = 135320544892459 is a prime.

It is a super-2 number, since 2×135320545023531² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135320545023551) 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, 140195706 + ... + 141157631.

It is an arithmetic number, because the mean of its divisors is an integer number (6628684643280).

Almost surely, 2^{135320545023531} is an apocalyptic number.

135320545023531 is a deficient number, since it is larger than the sum of its proper divisors (76797363561429).

135320545023531 is a wasteful number, since it uses less digits than its factorization.

135320545023531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281354003.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 135320545023531 in words is "one hundred thirty-five trillion, three hundred twenty billion, five hundred forty-five million, twenty-three thousand, five hundred thirty-one".