135361801 has 2 divisors, whose sum is σ = 135361802. Its totient is φ = 135361800.

The previous prime is 135361777. The next prime is 135361829. The reversal of 135361801 is 108163531.

It is an a-pointer prime, because the next prime (135361829) can be obtained adding 135361801 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122766400 + 12595401 = 11080^2 + 3549^2 .

It is a cyclic number.

It is not a de Polignac number, because 135361801 - 2¹¹ = 135359753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135361801.

It is not a weakly prime, because it can be changed into another prime (135361861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67680900 + 67680901.

It is an arithmetic number, because the mean of its divisors is an integer number (67680901).

Almost surely, 2^135361801 is an apocalyptic number.

It is an amenable number.

135361801 is a deficient number, since it is larger than the sum of its proper divisors (1).

135361801 is an equidigital number, since it uses as much as digits as its factorization.

135361801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 135361801 is about 11634.5090571111. The cubic root of 135361801 is about 513.4506500385.

The spelling of 135361801 in words is "one hundred thirty-five million, three hundred sixty-one thousand, eight hundred one".