149839927 has 2 divisors, whose sum is σ = 149839928. Its totient is φ = 149839926.

The previous prime is 149839849. The next prime is 149839931. The reversal of 149839927 is 729938941.

It is a happy number.

149839927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149839927 - 2⁷ = 149839799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149839997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74919963 + 74919964.

It is an arithmetic number, because the mean of its divisors is an integer number (74919964).

Almost surely, 2^149839927 is an apocalyptic number.

149839927 is a deficient number, since it is larger than the sum of its proper divisors (1).

149839927 is an equidigital number, since it uses as much as digits as its factorization.

149839927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The square root of 149839927 is about 12240.9120166759. The cubic root of 149839927 is about 531.1402140472.

The spelling of 149839927 in words is "one hundred forty-nine million, eight hundred thirty-nine thousand, nine hundred twenty-seven".