135154400027 has 2 divisors, whose sum is σ = 135154400028. Its totient is φ = 135154400026.

The previous prime is 135154399997. The next prime is 135154400039. The reversal of 135154400027 is 720004451531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135154400027 - 2³² = 130859432731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135154399966 and 135154400002.

It is not a weakly prime, because it can be changed into another prime (135154400047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67577200013 + 67577200014.

It is an arithmetic number, because the mean of its divisors is an integer number (67577200014).

Almost surely, 2^135154400027 is an apocalyptic number.

135154400027 is a deficient number, since it is larger than the sum of its proper divisors (1).

135154400027 is an equidigital number, since it uses as much as digits as its factorization.

135154400027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 135154400027 its reverse (720004451531), we get a palindrome (855158851558).

The spelling of 135154400027 in words is "one hundred thirty-five billion, one hundred fifty-four million, four hundred thousand, twenty-seven".