142111434013 has 4 divisors (see below), whose sum is σ = 142112583900. Its totient is φ = 142110284128.

The previous prime is 142111434011. The next prime is 142111434061. The reversal of 142111434013 is 310434111241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310434111241 = 17 ⋅18260830073.

It can be written as a sum of positive squares in 2 ways, for example, as 102222157284 + 39889276729 = 319722^2 + 199723^2 .

It is a cyclic number.

It is not a de Polignac number, because 142111434013 - 2¹ = 142111434011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142111434011) 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, 363688 + ... + 645361.

It is an arithmetic number, because the mean of its divisors is an integer number (35528145975).

Almost surely, 2^142111434013 is an apocalyptic number.

It is an amenable number.

142111434013 is a deficient number, since it is larger than the sum of its proper divisors (1149887).

142111434013 is a wasteful number, since it uses less digits than its factorization.

142111434013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149886.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 142111434013 its reverse (310434111241), we get a palindrome (452545545254).

The spelling of 142111434013 in words is "one hundred forty-two billion, one hundred eleven million, four hundred thirty-four thousand, thirteen".