149719027 has 2 divisors, whose sum is σ = 149719028. Its totient is φ = 149719026.

The previous prime is 149719019. The next prime is 149719033. The reversal of 149719027 is 720917941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149719027 - 2³ = 149719019 is a prime.

It is not a weakly prime, because it can be changed into another prime (149719127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74859513 + 74859514.

It is an arithmetic number, because the mean of its divisors is an integer number (74859514).

Almost surely, 2^149719027 is an apocalyptic number.

149719027 is a deficient number, since it is larger than the sum of its proper divisors (1).

149719027 is an equidigital number, since it uses as much as digits as its factorization.

149719027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 149719027 is about 12235.9726626043. The cubic root of 149719027 is about 530.9973234934.

The spelling of 149719027 in words is "one hundred forty-nine million, seven hundred nineteen thousand, twenty-seven".