135120443134 has 4 divisors (see below), whose sum is σ = 202680664704. Its totient is φ = 67560221566.

The previous prime is 135120443131. The next prime is 135120443147. The reversal of 135120443134 is 431344021531.

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

It is a junction number, because it is equal to n+sod(n) for n = 135120443096 and 135120443105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135120443131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33780110782 + ... + 33780110785.

It is an arithmetic number, because the mean of its divisors is an integer number (50670166176).

Almost surely, 2^135120443134 is an apocalyptic number.

135120443134 is a deficient number, since it is larger than the sum of its proper divisors (67560221570).

135120443134 is an equidigital number, since it uses as much as digits as its factorization.

135120443134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67560221569.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 135120443134 its reverse (431344021531), we get a palindrome (566464464665).

The spelling of 135120443134 in words is "one hundred thirty-five billion, one hundred twenty million, four hundred forty-three thousand, one hundred thirty-four".