135758857531 has 8 divisors (see below), whose sum is σ = 148747302000. Its totient is φ = 122878201440.

The previous prime is 135758857511. The next prime is 135758857541.

135758857531 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135758857531 is a prime.

It is a super-2 number, since 2×135758857531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135758857511) 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, 26944456 + ... + 26949493.

It is an arithmetic number, because the mean of its divisors is an integer number (18593412750).

Almost surely, 2^135758857531 is an apocalyptic number.

135758857531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135758857531 is a deficient number, since it is larger than the sum of its proper divisors (12988444469).

135758857531 is a wasteful number, since it uses less digits than its factorization.

135758857531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53894189.

The product of its digits is 17640000, while the sum is 58.

The spelling of 135758857531 in words is "one hundred thirty-five billion, seven hundred fifty-eight million, eight hundred fifty-seven thousand, five hundred thirty-one".