149271347 has 2 divisors, whose sum is σ = 149271348. Its totient is φ = 149271346.

The previous prime is 149271307. The next prime is 149271379. The reversal of 149271347 is 743172941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149271347 - 2²⁰ = 148222771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149271347.

It is not a weakly prime, because it can be changed into another prime (149271307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74635673 + 74635674.

It is an arithmetic number, because the mean of its divisors is an integer number (74635674).

Almost surely, 2^149271347 is an apocalyptic number.

149271347 is a deficient number, since it is larger than the sum of its proper divisors (1).

149271347 is an equidigital number, since it uses as much as digits as its factorization.

149271347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 149271347 is about 12217.6653661819. The cubic root of 149271347 is about 530.4675439990.

The spelling of 149271347 in words is "one hundred forty-nine million, two hundred seventy-one thousand, three hundred forty-seven".