135151221151 has 2 divisors, whose sum is σ = 135151221152. Its totient is φ = 135151221150.

The previous prime is 135151221137. The next prime is 135151221181. The reversal of 135151221151 is 151122151531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135151221151 - 2⁵ = 135151221119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135151221181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67575610575 + 67575610576.

It is an arithmetic number, because the mean of its divisors is an integer number (67575610576).

Almost surely, 2^135151221151 is an apocalyptic number.

135151221151 is a deficient number, since it is larger than the sum of its proper divisors (1).

135151221151 is an equidigital number, since it uses as much as digits as its factorization.

135151221151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 28.

Adding to 135151221151 its reverse (151122151531), we get a palindrome (286273372682).

The spelling of 135151221151 in words is "one hundred thirty-five billion, one hundred fifty-one million, two hundred twenty-one thousand, one hundred fifty-one".