135742117 has 8 divisors (see below), whose sum is σ = 155410112. Its totient is φ = 116143200.

The previous prime is 135742039. The next prime is 135742151. The reversal of 135742117 is 711247531.

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 135742117 - 2¹⁹ = 135217829 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 (135745117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12984 + ... + 20977.

It is an arithmetic number, because the mean of its divisors is an integer number (19426264).

Almost surely, 2^135742117 is an apocalyptic number.

It is an amenable number.

135742117 is a deficient number, since it is larger than the sum of its proper divisors (19667995).

135742117 is an equidigital number, since it uses as much as digits as its factorization.

135742117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34539.

The product of its digits is 5880, while the sum is 31.

The square root of 135742117 is about 11650.8419009100. The cubic root of 135742117 is about 513.9310684409.

Adding to 135742117 its reverse (711247531), we get a palindrome (846989648).

The spelling of 135742117 in words is "one hundred thirty-five million, seven hundred forty-two thousand, one hundred seventeen".