135612105366425 has 12 divisors (see below), whose sum is σ = 168159159544236. Its totient is φ = 108489588235200.

The previous prime is 135612105366407. The next prime is 135612105366427. The reversal of 135612105366425 is 524663501216531.

It can be written as a sum of positive squares in 6 ways, for example, as 599603984281 + 135012501382144 = 774341^2 + 11619488^2 .

It is not a de Polignac number, because 135612105366425 - 2¹² = 135612105362329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135612105366427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43912595 + ... + 46899255.

It is an arithmetic number, because the mean of its divisors is an integer number (14013263295353).

Almost surely, 2^{135612105366425} is an apocalyptic number.

It is an amenable number.

135612105366425 is a deficient number, since it is larger than the sum of its proper divisors (32547054177811).

135612105366425 is a wasteful number, since it uses less digits than its factorization.

135612105366425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802908 (or 4802903 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 135612105366425 in words is "one hundred thirty-five trillion, six hundred twelve billion, one hundred five million, three hundred sixty-six thousand, four hundred twenty-five".