1342143213440 has 128 divisors (see below), whose sum is σ = 3225659220000. Its totient is φ = 534004162560.

The previous prime is 1342143213343. The next prime is 1342143213449. The reversal of 1342143213440 is 443123412431.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1342143213397 and 1342143213406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342143213449) 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, 93580670 + ... + 93595010.

Almost surely, 2^{1342143213440} is an apocalyptic number.

1342143213440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1342143213440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612829610000).

1342143213440 is an abundant number, since it is smaller than the sum of its proper divisors (1883516006560).

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

1342143213440 is a wasteful number, since it uses less digits than its factorization.

1342143213440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15128 (or 15116 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1342143213440 its reverse (443123412431), we get a palindrome (1785266625871).

The spelling of 1342143213440 in words is "one trillion, three hundred forty-two billion, one hundred forty-three million, two hundred thirteen thousand, four hundred forty".