135445361651 has 2 divisors, whose sum is σ = 135445361652. Its totient is φ = 135445361650.

The previous prime is 135445361599. The next prime is 135445361707. The reversal of 135445361651 is 156163544531.

It is a weak prime.

It is an emirp because it is prime and its reverse (156163544531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135445361651 - 2¹⁸ = 135445099507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (135445361551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67722680825 + 67722680826.

It is an arithmetic number, because the mean of its divisors is an integer number (67722680826).

Almost surely, 2^135445361651 is an apocalyptic number.

135445361651 is a deficient number, since it is larger than the sum of its proper divisors (1).

135445361651 is an equidigital number, since it uses as much as digits as its factorization.

135445361651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 44.

The spelling of 135445361651 in words is "one hundred thirty-five billion, four hundred forty-five million, three hundred sixty-one thousand, six hundred fifty-one".