149140319 has 2 divisors, whose sum is σ = 149140320. Its totient is φ = 149140318.

The previous prime is 149140309. The next prime is 149140331. The reversal of 149140319 is 913041941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149140319 - 2²⁴ = 132363103 is a prime.

It is a super-2 number, since 2×149140319² = 44485669502843522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149140309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74570159 + 74570160.

It is an arithmetic number, because the mean of its divisors is an integer number (74570160).

Almost surely, 2^149140319 is an apocalyptic number.

149140319 is a deficient number, since it is larger than the sum of its proper divisors (1).

149140319 is an equidigital number, since it uses as much as digits as its factorization.

149140319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 149140319 is about 12212.3019533583. The cubic root of 149140319 is about 530.3122865885.

The spelling of 149140319 in words is "one hundred forty-nine million, one hundred forty thousand, three hundred nineteen".