239916149 has 16 divisors (see below), whose sum is σ = 266872320. Its totient is φ = 213861360.

The previous prime is 239916119. The next prime is 239916169. The reversal of 239916149 is 941619932.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239916149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239916119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120242 + ... + 122220.

It is an arithmetic number, because the mean of its divisors is an integer number (16679520).

Almost surely, 2^239916149 is an apocalyptic number.

It is an amenable number.

239916149 is a deficient number, since it is larger than the sum of its proper divisors (26956171).

239916149 is a wasteful number, since it uses less digits than its factorization.

239916149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200.

The product of its digits is 104976, while the sum is 44.

The square root of 239916149 is about 15489.2268690209. The cubic root of 239916149 is about 621.3741192736.

The spelling of 239916149 in words is "two hundred thirty-nine million, nine hundred sixteen thousand, one hundred forty-nine".