142404240113 has 4 divisors (see below), whose sum is σ = 142408786548. Its totient is φ = 142399693680.

The previous prime is 142404240101. The next prime is 142404240149. The reversal of 142404240113 is 311042404241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311042404241 = 197 ⋅1578895453.

It can be written as a sum of positive squares in 2 ways, for example, as 33799719409 + 108604520704 = 183847^2 + 329552^2 .

It is a cyclic number.

It is not a de Polignac number, because 142404240113 - 2²⁰ = 142403191537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142404240193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225906 + ... + 2288987.

It is an arithmetic number, because the mean of its divisors is an integer number (35602196637).

Almost surely, 2^142404240113 is an apocalyptic number.

It is an amenable number.

142404240113 is a deficient number, since it is larger than the sum of its proper divisors (4546435).

142404240113 is an equidigital number, since it uses as much as digits as its factorization.

142404240113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546434.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 142404240113 its reverse (311042404241), we get a palindrome (453446644354).

The spelling of 142404240113 in words is "one hundred forty-two billion, four hundred four million, two hundred forty thousand, one hundred thirteen".