1340104242 has 32 divisors (see below), whose sum is σ = 2727039744. Its totient is φ = 438912000.

The previous prime is 1340104163. The next prime is 1340104243. The reversal of 1340104242 is 2424010431.

It is not an unprimeable number, because it can be changed into a prime (1340104243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584823 + ... + 587109.

It is an arithmetic number, because the mean of its divisors is an integer number (85219992).

Almost surely, 2^1340104242 is an apocalyptic number.

1340104242 is an abundant number, since it is smaller than the sum of its proper divisors (1386935502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340104242 is a wasteful number, since it uses less digits than its factorization.

1340104242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1340104242 is about 36607.4342449727. The cubic root of 1340104242 is about 1102.5023587858.

Adding to 1340104242 its reverse (2424010431), we get a palindrome (3764114673).

The spelling of 1340104242 in words is "one billion, three hundred forty million, one hundred four thousand, two hundred forty-two".