135403401227 has 2 divisors, whose sum is σ = 135403401228. Its totient is φ = 135403401226.

The previous prime is 135403401193. The next prime is 135403401233. The reversal of 135403401227 is 722104304531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135403401227 - 2¹⁸ = 135403139083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135403401193 and 135403401202.

It is not a weakly prime, because it can be changed into another prime (135403101227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67701700613 + 67701700614.

It is an arithmetic number, because the mean of its divisors is an integer number (67701700614).

Almost surely, 2^135403401227 is an apocalyptic number.

135403401227 is a deficient number, since it is larger than the sum of its proper divisors (1).

135403401227 is an equidigital number, since it uses as much as digits as its factorization.

135403401227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 135403401227 its reverse (722104304531), we get a palindrome (857507705758).

The spelling of 135403401227 in words is "one hundred thirty-five billion, four hundred three million, four hundred one thousand, two hundred twenty-seven".