1340741447434 has 8 divisors (see below), whose sum is σ = 2019894321060. Its totient is φ = 667443340416.

The previous prime is 1340741447401. The next prime is 1340741447443. The reversal of 1340741447434 is 4347441470431.

It can be written as a sum of positive squares in 2 ways, for example, as 1339581704409 + 1159743025 = 1157403^2 + 34055^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463691079 + ... + 1463691994.

Almost surely, 2^{1340741447434} is an apocalyptic number.

1340741447434 is a deficient number, since it is larger than the sum of its proper divisors (679152873626).

1340741447434 is a wasteful number, since it uses less digits than its factorization.

1340741447434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927383304.

The product of its (nonzero) digits is 1806336, while the sum is 46.

The spelling of 1340741447434 in words is "one trillion, three hundred forty billion, seven hundred forty-one million, four hundred forty-seven thousand, four hundred thirty-four".