135065306225621 has 16 divisors (see below), whose sum is σ = 140250788160768. Its totient is φ = 129989332699200.

The previous prime is 135065306225617. The next prime is 135065306225671. The reversal of 135065306225621 is 126522603560531.

It is not a de Polignac number, because 135065306225621 - 2² = 135065306225617 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 (135065306225671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55730495 + ... + 58103516.

It is an arithmetic number, because the mean of its divisors is an integer number (8765674260048).

Almost surely, 2^{135065306225621} is an apocalyptic number.

It is an amenable number.

135065306225621 is a deficient number, since it is larger than the sum of its proper divisors (5185481935147).

135065306225621 is a wasteful number, since it uses less digits than its factorization.

135065306225621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113834492.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 135065306225621 in words is "one hundred thirty-five trillion, sixty-five billion, three hundred six million, two hundred twenty-five thousand, six hundred twenty-one".