149838727 has 4 divisors (see below), whose sum is σ = 150408720. Its totient is φ = 149268736.

The previous prime is 149838719. The next prime is 149838743. The reversal of 149838727 is 727838941.

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 149838727 - 2³ = 149838719 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 (149838757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284602 + ... + 285127.

It is an arithmetic number, because the mean of its divisors is an integer number (37602180).

Almost surely, 2^149838727 is an apocalyptic number.

149838727 is a deficient number, since it is larger than the sum of its proper divisors (569993).

149838727 is an equidigital number, since it uses as much as digits as its factorization.

149838727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569992.

The product of its digits is 677376, while the sum is 49.

The square root of 149838727 is about 12240.8630006221. The cubic root of 149838727 is about 531.1387961564.

The spelling of 149838727 in words is "one hundred forty-nine million, eight hundred thirty-eight thousand, seven hundred twenty-seven".