135434634065123 has 4 divisors (see below), whose sum is σ = 135587322492240. Its totient is φ = 135281945638008.

The previous prime is 135434634065099. The next prime is 135434634065131. The reversal of 135434634065123 is 321560436434531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135434634065123 - 2¹⁴ = 135434634048739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135434634065173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76344212228 + ... + 76344214001.

It is an arithmetic number, because the mean of its divisors is an integer number (33896830623060).

Almost surely, 2^{135434634065123} is an apocalyptic number.

135434634065123 is a deficient number, since it is larger than the sum of its proper divisors (152688427117).

135434634065123 is an equidigital number, since it uses as much as digits as its factorization.

135434634065123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152688427116.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 135434634065123 in words is "one hundred thirty-five trillion, four hundred thirty-four billion, six hundred thirty-four million, sixty-five thousand, one hundred twenty-three".