1434400709 has 8 divisors (see below), whose sum is σ = 1660066560. Its totient is φ = 1213922736.

The previous prime is 1434400691. The next prime is 1434400729. The reversal of 1434400709 is 9070044341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434400709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434400729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296374 + ... + 1297479.

It is an arithmetic number, because the mean of its divisors is an integer number (207508320).

Almost surely, 2^1434400709 is an apocalyptic number.

It is an amenable number.

1434400709 is a deficient number, since it is larger than the sum of its proper divisors (225665851).

1434400709 is an equidigital number, since it uses as much as digits as its factorization.

1434400709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593939.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1434400709 is about 37873.4829267127. The cubic root of 1434400709 is about 1127.7776849757. Note that the first 3 decimals are identical.

The spelling of 1434400709 in words is "one billion, four hundred thirty-four million, four hundred thousand, seven hundred nine".