149319071 has 8 divisors (see below), whose sum is σ = 163223424. Its totient is φ = 135469720.

The previous prime is 149319067. The next prime is 149319083. The reversal of 149319071 is 170913941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149319071 - 2² = 149319067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149319571) 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 in 7 ways as a sum of consecutive naturals, for example, 7961 + ... + 19026.

It is an arithmetic number, because the mean of its divisors is an integer number (20402928).

Almost surely, 2^149319071 is an apocalyptic number.

149319071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149319071 is a deficient number, since it is larger than the sum of its proper divisors (13904353).

149319071 is a wasteful number, since it uses less digits than its factorization.

149319071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27501.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 149319071 is about 12219.6182837272. The cubic root of 149319071 is about 530.5240704436.

The spelling of 149319071 in words is "one hundred forty-nine million, three hundred nineteen thousand, seventy-one".