1434891705 has 16 divisors (see below), whose sum is σ = 2472429120. Its totient is φ = 706408128.

The previous prime is 1434891701. The next prime is 1434891713. The reversal of 1434891705 is 5071984341.

It is a happy number.

It is not a de Polignac number, because 1434891705 - 2² = 1434891701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1434891701) 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 15 ways as a sum of consecutive naturals, for example, 3679015 + ... + 3679404.

It is an arithmetic number, because the mean of its divisors is an integer number (154526820).

Almost surely, 2^1434891705 is an apocalyptic number.

1434891705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1434891705 is a deficient number, since it is larger than the sum of its proper divisors (1037537415).

1434891705 is a wasteful number, since it uses less digits than its factorization.

1434891705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358440.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1434891705 is about 37879.9644271216. The cubic root of 1434891705 is about 1127.9063498970.

The spelling of 1434891705 in words is "one billion, four hundred thirty-four million, eight hundred ninety-one thousand, seven hundred five".