149327599 has 2 divisors, whose sum is σ = 149327600. Its totient is φ = 149327598.

The previous prime is 149327557. The next prime is 149327623. The reversal of 149327599 is 995723941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149327599 - 2⁷ = 149327471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149327509) 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, 74663799 + 74663800.

It is an arithmetic number, because the mean of its divisors is an integer number (74663800).

Almost surely, 2^149327599 is an apocalyptic number.

149327599 is a deficient number, since it is larger than the sum of its proper divisors (1).

149327599 is an equidigital number, since it uses as much as digits as its factorization.

149327599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 49.

The square root of 149327599 is about 12219.9672258153. The cubic root of 149327599 is about 530.5341701206.

It can be divided in two parts, 1493 and 27599, that added together give a palindrome (29092).

The spelling of 149327599 in words is "one hundred forty-nine million, three hundred twenty-seven thousand, five hundred ninety-nine".