1340042402132 has 24 divisors (see below), whose sum is σ = 2680847038464. Its totient is φ = 574140550752.

The previous prime is 1340042402131. The next prime is 1340042402173. The reversal of 1340042402132 is 2312042400431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340042402131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6705428 + ... + 6902379.

It is an arithmetic number, because the mean of its divisors is an integer number (111701959936).

Almost surely, 2^{1340042402132} is an apocalyptic number.

It is an amenable number.

1340042402132 is an abundant number, since it is smaller than the sum of its proper divisors (1340804636332).

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

1340042402132 is a wasteful number, since it uses less digits than its factorization.

1340042402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13611335 (or 13611333 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1340042402132 its reverse (2312042400431), we get a palindrome (3652084802563).

The spelling of 1340042402132 in words is "one trillion, three hundred forty billion, forty-two million, four hundred two thousand, one hundred thirty-two".