1438729314 has 32 divisors (see below), whose sum is σ = 3205840896. Its totient is φ = 426701520.

The previous prime is 1438729307. The next prime is 1438729339. The reversal of 1438729314 is 4139278341.

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, 228802 + ... + 235005.

It is an arithmetic number, because the mean of its divisors is an integer number (100182528).

Almost surely, 2^1438729314 is an apocalyptic number.

1438729314 is an abundant number, since it is smaller than the sum of its proper divisors (1767111582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1438729314 is a wasteful number, since it uses less digits than its factorization.

1438729314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463870.

The product of its digits is 145152, while the sum is 42.

The square root of 1438729314 is about 37930.5854687217. The cubic root of 1438729314 is about 1128.9109809902.

The spelling of 1438729314 in words is "one billion, four hundred thirty-eight million, seven hundred twenty-nine thousand, three hundred fourteen".