149135317 has 2 divisors, whose sum is σ = 149135318. Its totient is φ = 149135316.

The previous prime is 149135299. The next prime is 149135321. The reversal of 149135317 is 713531941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85359121 + 63776196 = 9239^2 + 7986^2 .

It is a cyclic number.

It is not a de Polignac number, because 149135317 - 2¹¹ = 149133269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149135377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74567658 + 74567659.

It is an arithmetic number, because the mean of its divisors is an integer number (74567659).

Almost surely, 2^149135317 is an apocalyptic number.

It is an amenable number.

149135317 is a deficient number, since it is larger than the sum of its proper divisors (1).

149135317 is an equidigital number, since it uses as much as digits as its factorization.

149135317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 149135317 is about 12212.0971581461. The cubic root of 149135317 is about 530.3063578279.

The spelling of 149135317 in words is "one hundred forty-nine million, one hundred thirty-five thousand, three hundred seventeen".