149508713 has 2 divisors, whose sum is σ = 149508714. Its totient is φ = 149508712.

The previous prime is 149508679. The next prime is 149508757. The reversal of 149508713 is 317805941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149132944 + 375769 = 12212^2 + 613^2 .

It is an emirp because it is prime and its reverse (317805941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149508713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (149501713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74754356 + 74754357.

It is an arithmetic number, because the mean of its divisors is an integer number (74754357).

Almost surely, 2^149508713 is an apocalyptic number.

It is an amenable number.

149508713 is a deficient number, since it is larger than the sum of its proper divisors (1).

149508713 is an equidigital number, since it uses as much as digits as its factorization.

149508713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 149508713 is about 12227.3755565125. The cubic root of 149508713 is about 530.7485719807.

The spelling of 149508713 in words is "one hundred forty-nine million, five hundred eight thousand, seven hundred thirteen".