135551147 has 2 divisors, whose sum is σ = 135551148. Its totient is φ = 135551146.

The previous prime is 135551137. The next prime is 135551161. The reversal of 135551147 is 741155531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135551147 is a prime.

It is a super-2 number, since 2×135551147² = 36748226906031218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135551107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67775573 + 67775574.

It is an arithmetic number, because the mean of its divisors is an integer number (67775574).

Almost surely, 2^135551147 is an apocalyptic number.

135551147 is a deficient number, since it is larger than the sum of its proper divisors (1).

135551147 is an equidigital number, since it uses as much as digits as its factorization.

135551147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 32.

The square root of 135551147 is about 11642.6434713084. The cubic root of 135551147 is about 513.6899458380.

The spelling of 135551147 in words is "one hundred thirty-five million, five hundred fifty-one thousand, one hundred forty-seven".