149913349 has 2 divisors, whose sum is σ = 149913350. Its totient is φ = 149913348.

The previous prime is 149913341. The next prime is 149913367. The reversal of 149913349 is 943319941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149010849 + 902500 = 12207^2 + 950^2 .

It is an emirp because it is prime and its reverse (943319941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149913349 - 2³ = 149913341 is a prime.

It is equal to p_8439838 and since 149913349 and 8439838 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149913341) 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, 74956674 + 74956675.

It is an arithmetic number, because the mean of its divisors is an integer number (74956675).

Almost surely, 2^149913349 is an apocalyptic number.

It is an amenable number.

149913349 is a deficient number, since it is larger than the sum of its proper divisors (1).

149913349 is an equidigital number, since it uses as much as digits as its factorization.

149913349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The square root of 149913349 is about 12243.9106906250. The cubic root of 149913349 is about 531.2269532978.

The spelling of 149913349 in words is "one hundred forty-nine million, nine hundred thirteen thousand, three hundred forty-nine".