135425839013 has 4 divisors (see below), whose sum is σ = 136740653088. Its totient is φ = 134111024940.

The previous prime is 135425838997. The next prime is 135425839019. The reversal of 135425839013 is 310938524531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310938524531 = 17 ⋅18290501443.

It is a cyclic number.

It is not a de Polignac number, because 135425839013 - 2⁴ = 135425838997 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 (135425839019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657406883 + ... + 657407088.

It is an arithmetic number, because the mean of its divisors is an integer number (34185163272).

Almost surely, 2^135425839013 is an apocalyptic number.

It is an amenable number.

135425839013 is a deficient number, since it is larger than the sum of its proper divisors (1314814075).

135425839013 is a wasteful number, since it uses less digits than its factorization.

135425839013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314814074.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 135425839013 in words is "one hundred thirty-five billion, four hundred twenty-five million, eight hundred thirty-nine thousand, thirteen".