135144147 has 8 divisors (see below), whose sum is σ = 186405840. Its totient is φ = 86989280.

The previous prime is 135144143. The next prime is 135144157. The reversal of 135144147 is 741441531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135144147 - 2² = 135144143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135144143) 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 in 7 ways as a sum of consecutive naturals, for example, 776604 + ... + 776777.

It is an arithmetic number, because the mean of its divisors is an integer number (23300730).

Almost surely, 2^135144147 is an apocalyptic number.

135144147 is a deficient number, since it is larger than the sum of its proper divisors (51261693).

135144147 is a wasteful number, since it uses less digits than its factorization.

135144147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553413.

The product of its digits is 6720, while the sum is 30.

The square root of 135144147 is about 11625.1514828840. The cubic root of 135144147 is about 513.1753026883.

Adding to 135144147 its reverse (741441531), we get a palindrome (876585678).

The spelling of 135144147 in words is "one hundred thirty-five million, one hundred forty-four thousand, one hundred forty-seven".