135601143613 has 8 divisors (see below), whose sum is σ = 146600222328. Its totient is φ = 124683239424.

The previous prime is 135601143599. The next prime is 135601143641. The reversal of 135601143613 is 316341106531.

It can be written as a sum of positive squares in 4 ways, for example, as 7048777849 + 128552365764 = 83957^2 + 358542^2 .

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 135601143613 - 2⁹ = 135601143101 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 (135601143913) 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, 20290156 + ... + 20296837.

It is an arithmetic number, because the mean of its divisors is an integer number (18325027791).

Almost surely, 2^135601143613 is an apocalyptic number.

135601143613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135601143613 is a deficient number, since it is larger than the sum of its proper divisors (10999078715).

135601143613 is a wasteful number, since it uses less digits than its factorization.

135601143613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40587263.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 135601143613 in words is "one hundred thirty-five billion, six hundred one million, one hundred forty-three thousand, six hundred thirteen".