1340001442 has 32 divisors (see below), whose sum is σ = 2226132720. Its totient is φ = 601006080.

The previous prime is 1340001433. The next prime is 1340001493. The reversal of 1340001442 is 2441000431.

It can be written as a sum of positive squares in 8 ways, for example, as 144985681 + 1195015761 = 12041^2 + 34569^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284418 + ... + 289090.

Almost surely, 2^1340001442 is an apocalyptic number.

1340001442 is a deficient number, since it is larger than the sum of its proper divisors (886131278).

1340001442 is a wasteful number, since it uses less digits than its factorization.

1340001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1340001442 is about 36606.0301316600. The cubic root of 1340001442 is about 1102.4741669141.

Adding to 1340001442 its reverse (2441000431), we get a palindrome (3781001873).

The spelling of 1340001442 in words is "one billion, three hundred forty million, one thousand, four hundred forty-two".