1340042001 has 8 divisors (see below), whose sum is σ = 1811888064. Its totient is φ = 880778640.

The previous prime is 1340041973. The next prime is 1340042059. The reversal of 1340042001 is 1002400431.

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

It is not a de Polignac number, because 1340042001 - 2⁹ = 1340041489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340042201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3145426 + ... + 3145851.

It is an arithmetic number, because the mean of its divisors is an integer number (226486008).

Almost surely, 2^1340042001 is an apocalyptic number.

It is an amenable number.

1340042001 is a deficient number, since it is larger than the sum of its proper divisors (471846063).

1340042001 is an equidigital number, since it uses as much as digits as its factorization.

1340042001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291351.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1340042001 is about 36606.5841208928. The cubic root of 1340042001 is about 1102.4852899863.

Adding to 1340042001 its reverse (1002400431), we get a palindrome (2342442432).

The spelling of 1340042001 in words is "one billion, three hundred forty million, forty-two thousand, one".