149707913 has 2 divisors, whose sum is σ = 149707914. Its totient is φ = 149707912.

The previous prime is 149707891. The next prime is 149707931. The reversal of 149707913 is 319707941.

Together with next prime (149707931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131492089 + 18215824 = 11467^2 + 4268^2 .

It is a cyclic number.

It is not a de Polignac number, because 149707913 - 2¹⁰ = 149706889 is a prime.

It is not a weakly prime, because it can be changed into another prime (149707993) 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, 74853956 + 74853957.

It is an arithmetic number, because the mean of its divisors is an integer number (74853957).

Almost surely, 2^149707913 is an apocalyptic number.

It is an amenable number.

149707913 is a deficient number, since it is larger than the sum of its proper divisors (1).

149707913 is an equidigital number, since it uses as much as digits as its factorization.

149707913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 149707913 is about 12235.5185014776. The cubic root of 149707913 is about 530.9841841029.

The spelling of 149707913 in words is "one hundred forty-nine million, seven hundred seven thousand, nine hundred thirteen".