1342142081540 has 48 divisors (see below), whose sum is σ = 3046107904560. Its totient is φ = 493796567040.

The previous prime is 1342142081491. The next prime is 1342142081549. The reversal of 1342142081540 is 451802412431.

It can be written as a sum of positive squares in 8 ways, for example, as 50596204096 + 1291545877444 = 224936^2 + 1136462^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1342142081540.

It is not an unprimeable number, because it can be changed into a prime (1342142081549) 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, 9112145 + ... + 9258264.

It is an arithmetic number, because the mean of its divisors is an integer number (63460581345).

Almost surely, 2^{1342142081540} is an apocalyptic number.

1342142081540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342142081540 is an abundant number, since it is smaller than the sum of its proper divisors (1703965823020).

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

1342142081540 is a wasteful number, since it uses less digits than its factorization.

1342142081540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18370712 (or 18370710 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 1342142081540 its reverse (451802412431), we get a palindrome (1793944493971).

The spelling of 1342142081540 in words is "one trillion, three hundred forty-two billion, one hundred forty-two million, eighty-one thousand, five hundred forty".