1013243140442 has 8 divisors (see below), whose sum is σ = 1636777380756. Its totient is φ = 467650680192.

The previous prime is 1013243140439. The next prime is 1013243140493. The reversal of 1013243140442 is 2440413423101.

It can be written as a sum of positive squares in 2 ways, for example, as 1005329080921 + 7914059521 = 1002661^2 + 88961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19485444983 + ... + 19485445034.

Almost surely, 2^{1013243140442} is an apocalyptic number.

1013243140442 is a deficient number, since it is larger than the sum of its proper divisors (623534240314).

1013243140442 is a wasteful number, since it uses less digits than its factorization.

1013243140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38970890032.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1013243140442 its reverse (2440413423101), we get a palindrome (3453656563543).

The spelling of 1013243140442 in words is "one trillion, thirteen billion, two hundred forty-three million, one hundred forty thousand, four hundred forty-two".