149999635 has 4 divisors (see below), whose sum is σ = 179999568. Its totient is φ = 119999704.

The previous prime is 149999627. The next prime is 149999639. The reversal of 149999635 is 536999941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149999635 - 2³ = 149999627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149999639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14999959 + ... + 14999968.

It is an arithmetic number, because the mean of its divisors is an integer number (44999892).

Almost surely, 2^149999635 is an apocalyptic number.

149999635 is a deficient number, since it is larger than the sum of its proper divisors (29999933).

149999635 is an equidigital number, since it uses as much as digits as its factorization.

149999635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29999932.

The product of its digits is 2361960, while the sum is 55.

The square root of 149999635 is about 12247.4338128442. The cubic root of 149999635 is about 531.3288536239.

The spelling of 149999635 in words is "one hundred forty-nine million, nine hundred ninety-nine thousand, six hundred thirty-five".