149740667 has 2 divisors, whose sum is σ = 149740668. Its totient is φ = 149740666.

The previous prime is 149740627. The next prime is 149740673. The reversal of 149740667 is 766047941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149740667 - 2⁸ = 149740411 is a prime.

It is not a weakly prime, because it can be changed into another prime (149740627) 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, 74870333 + 74870334.

It is an arithmetic number, because the mean of its divisors is an integer number (74870334).

Almost surely, 2^149740667 is an apocalyptic number.

149740667 is a deficient number, since it is larger than the sum of its proper divisors (1).

149740667 is an equidigital number, since it uses as much as digits as its factorization.

149740667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 149740667 is about 12236.8569085366. The cubic root of 149740667 is about 531.0229052531.

The spelling of 149740667 in words is "one hundred forty-nine million, seven hundred forty thousand, six hundred sixty-seven".