1340042002130 has 32 divisors (see below), whose sum is σ = 2597698044144. Its totient is φ = 494769851136.

The previous prime is 1340042002121. The next prime is 1340042002147. The reversal of 1340042002130 is 312002400431.

It can be written as a sum of positive squares in 8 ways, for example, as 94168583161 + 1245873418969 = 306869^2 + 1116187^2 .

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, 4784732 + ... + 5057048.

Almost surely, 2^{1340042002130} is an apocalyptic number.

1340042002130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340042002130 is a deficient number, since it is larger than the sum of its proper divisors (1257656042014).

1340042002130 is a wasteful number, since it uses less digits than its factorization.

1340042002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310190.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1340042002130 its reverse (312002400431), we get a palindrome (1652044402561).

The spelling of 1340042002130 in words is "one trillion, three hundred forty billion, forty-two million, two thousand, one hundred thirty".