Search a number
-
+
135388147 is a prime number
BaseRepresentation
bin10000001000111…
…01101111110011
3100102202102121211
420010131233303
5234124410042
621233500551
73232531426
oct1004355763
9312672554
10135388147
116a472134
1239411757
132208413b
1413da39bd
15bd45017
hex811dbf3

135388147 has 2 divisors, whose sum is σ = 135388148. Its totient is φ = 135388146.

The previous prime is 135388139. The next prime is 135388159. The reversal of 135388147 is 741883531.

It is a weak prime.

It is an emirp because it is prime and its reverse (741883531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135388147 - 23 = 135388139 is a prime.

It is not a weakly prime, because it can be changed into another prime (135388117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67694073 + 67694074.

It is an arithmetic number, because the mean of its divisors is an integer number (67694074).

Almost surely, 2135388147 is an apocalyptic number.

135388147 is a deficient number, since it is larger than the sum of its proper divisors (1).

135388147 is an equidigital number, since it uses as much as digits as its factorization.

135388147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 135388147 is about 11635.6412371644. The cubic root of 135388147 is about 513.4839595177.

The spelling of 135388147 in words is "one hundred thirty-five million, three hundred eighty-eight thousand, one hundred forty-seven".