135206136434001 has 4 divisors (see below), whose sum is σ = 180274848578672. Its totient is φ = 90137424289332.

The previous prime is 135206136433831. The next prime is 135206136434069. The reversal of 135206136434001 is 100434631602531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 135206136434001 - 2¹⁸ = 135206136171857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135206136414001) 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, 22534356072331 + ... + 22534356072336.

It is an arithmetic number, because the mean of its divisors is an integer number (45068712144668).

Almost surely, 2^{135206136434001} is an apocalyptic number.

It is an amenable number.

135206136434001 is a deficient number, since it is larger than the sum of its proper divisors (45068712144671).

135206136434001 is an equidigital number, since it uses as much as digits as its factorization.

135206136434001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45068712144670.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 135206136434001 in words is "one hundred thirty-five trillion, two hundred six billion, one hundred thirty-six million, four hundred thirty-four thousand, one".