1447129318 has 32 divisors (see below), whose sum is σ = 2409082560. Its totient is φ = 648468480.

The previous prime is 1447129309. The next prime is 1447129349. The reversal of 1447129318 is 8139217441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175038 + ... + 183118.

It is an arithmetic number, because the mean of its divisors is an integer number (75283830).

Almost surely, 2^1447129318 is an apocalyptic number.

1447129318 is a deficient number, since it is larger than the sum of its proper divisors (961953242).

1447129318 is a wasteful number, since it uses less digits than its factorization.

1447129318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352.

The product of its digits is 48384, while the sum is 40.

The square root of 1447129318 is about 38041.1529530849. The cubic root of 1447129318 is about 1131.1037634478.

The spelling of 1447129318 in words is "one billion, four hundred forty-seven million, one hundred twenty-nine thousand, three hundred eighteen".