142136278741 has 16 divisors (see below), whose sum is σ = 151309548720. Its totient is φ = 133053706240.

The previous prime is 142136278733. The next prime is 142136278747. The reversal of 142136278741 is 147872631241.

It can be written as a sum of positive squares in 8 ways, for example, as 65769167025 + 76367111716 = 256455^2 + 276346^2 .

It is a cyclic number.

It is not a de Polignac number, because 142136278741 - 2³ = 142136278733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142136278691 and 142136278700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142136278747) 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, 16368921 + ... + 16377601.

It is an arithmetic number, because the mean of its divisors is an integer number (9456846795).

Almost surely, 2^142136278741 is an apocalyptic number.

It is an amenable number.

142136278741 is a deficient number, since it is larger than the sum of its proper divisors (9173269979).

142136278741 is a wasteful number, since it uses less digits than its factorization.

142136278741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784.

The product of its digits is 451584, while the sum is 46.

The spelling of 142136278741 in words is "one hundred forty-two billion, one hundred thirty-six million, two hundred seventy-eight thousand, seven hundred forty-one".