135153638443909 has 8 divisors (see below), whose sum is σ = 138450282391512. Its totient is φ = 131857004674560.

The previous prime is 135153638443907. The next prime is 135153638443949. The reversal of 135153638443909 is 909344836351531.

It can be written as a sum of positive squares in 4 ways, for example, as 6645454982884 + 128508183461025 = 2577878^2 + 11336145^2 .

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 135153638443909 - 2¹ = 135153638443907 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 (135153638443907) 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, 29069037 + ... + 33396349.

It is an arithmetic number, because the mean of its divisors is an integer number (17306285298939).

Almost surely, 2^{135153638443909} is an apocalyptic number.

It is an amenable number.

135153638443909 is a deficient number, since it is larger than the sum of its proper divisors (3296643947603).

135153638443909 is an equidigital number, since it uses as much as digits as its factorization.

135153638443909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089127.

The product of its (nonzero) digits is 125971200, while the sum is 64.

The spelling of 135153638443909 in words is "one hundred thirty-five trillion, one hundred fifty-three billion, six hundred thirty-eight million, four hundred forty-three thousand, nine hundred nine".