149340067 has 4 divisors (see below), whose sum is σ = 149695216. Its totient is φ = 148984920.

The previous prime is 149340047. The next prime is 149340073. The reversal of 149340067 is 760043941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760043941 = 491 ⋅1547951.

It is a cyclic number.

It is not a de Polignac number, because 149340067 - 2¹¹ = 149338019 is a prime.

It is a super-2 number, since 2×149340067² = 44604911223128978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149340047) 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 in 3 ways as a sum of consecutive naturals, for example, 176943 + ... + 177784.

It is an arithmetic number, because the mean of its divisors is an integer number (37423804).

Almost surely, 2^149340067 is an apocalyptic number.

149340067 is a deficient number, since it is larger than the sum of its proper divisors (355149).

149340067 is an equidigital number, since it uses as much as digits as its factorization.

149340067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355148.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 149340067 is about 12220.4773638349. The cubic root of 149340067 is about 530.5489352321.

The spelling of 149340067 in words is "one hundred forty-nine million, three hundred forty thousand, sixty-seven".