149986667 has 2 divisors, whose sum is σ = 149986668. Its totient is φ = 149986666.

The previous prime is 149986621. The next prime is 149986679. The reversal of 149986667 is 766689941.

It is a strong prime.

It is an emirp because it is prime and its reverse (766689941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149986667 - 2¹⁰ = 149985643 is a prime.

It is not a weakly prime, because it can be changed into another prime (149986687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74993333 + 74993334.

It is an arithmetic number, because the mean of its divisors is an integer number (74993334).

Almost surely, 2^149986667 is an apocalyptic number.

149986667 is a deficient number, since it is larger than the sum of its proper divisors (1).

149986667 is an equidigital number, since it uses as much as digits as its factorization.

149986667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The square root of 149986667 is about 12246.9043843740. The cubic root of 149986667 is about 531.3135414285.

The spelling of 149986667 in words is "one hundred forty-nine million, nine hundred eighty-six thousand, six hundred sixty-seven".