1429739005 has 16 divisors (see below), whose sum is σ = 1776239280. Its totient is φ = 1103484928.

The previous prime is 1429738997. The next prime is 1429739033. The reversal of 1429739005 is 5009379241.

It can be written as a sum of positive squares in 8 ways, for example, as 1352569 + 1428386436 = 1163^2 + 37794^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429739005 - 2³ = 1429738997 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 230829 + ... + 236941.

It is an arithmetic number, because the mean of its divisors is an integer number (111014955).

Almost surely, 2^1429739005 is an apocalyptic number.

It is an amenable number.

1429739005 is a deficient number, since it is larger than the sum of its proper divisors (346500275).

1429739005 is a wasteful number, since it uses less digits than its factorization.

1429739005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1429739005 is about 37811.8897306125. The cubic root of 1429739005 is about 1126.5546256690.

The spelling of 1429739005 in words is "one billion, four hundred twenty-nine million, seven hundred thirty-nine thousand, five".