149036567 has 4 divisors (see below), whose sum is σ = 149110200. Its totient is φ = 148962936.

The previous prime is 149036557. The next prime is 149036617. The reversal of 149036567 is 765630941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765630941 = 131 ⋅5844511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149036567 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149036507) 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 in 3 ways as a sum of consecutive naturals, for example, 33692 + ... + 37857.

It is an arithmetic number, because the mean of its divisors is an integer number (37277550).

Almost surely, 2^149036567 is an apocalyptic number.

149036567 is a deficient number, since it is larger than the sum of its proper divisors (73633).

149036567 is an equidigital number, since it uses as much as digits as its factorization.

149036567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73632.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 149036567 is about 12208.0533665282. The cubic root of 149036567 is about 530.1892844734.

The spelling of 149036567 in words is "one hundred forty-nine million, thirty-six thousand, five hundred sixty-seven".