135542917 has 8 divisors (see below), whose sum is σ = 137570400. Its totient is φ = 133529904.

The previous prime is 135542899. The next prime is 135542947. The reversal of 135542917 is 719245531.

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 135542917 - 2¹⁵ = 135510149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135542947) 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, 16038 + ... + 22984.

It is an arithmetic number, because the mean of its divisors is an integer number (17196300).

Almost surely, 2^135542917 is an apocalyptic number.

It is an amenable number.

135542917 is a deficient number, since it is larger than the sum of its proper divisors (2027483).

135542917 is a wasteful number, since it uses less digits than its factorization.

135542917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235.

The product of its digits is 37800, while the sum is 37.

The square root of 135542917 is about 11642.2900238742. The cubic root of 135542917 is about 513.6795493839.

It can be divided in two parts, 13554 and 2917, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 135542917 in words is "one hundred thirty-five million, five hundred forty-two thousand, nine hundred seventeen".