142002540135 has 24 divisors (see below), whose sum is σ = 254625246720. Its totient is φ = 73123146432.

The previous prime is 142002540133. The next prime is 142002540187. The reversal of 142002540135 is 531045200241.

142002540135 is a `hidden beast` number, since 1 + 4 + 200 + 25 + 401 + 35 = 666.

It is not a de Polignac number, because 142002540135 - 2¹ = 142002540133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142002540099 and 142002540108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142002540133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54405799 + ... + 54408408.

It is an arithmetic number, because the mean of its divisors is an integer number (10609385280).

Almost surely, 2^142002540135 is an apocalyptic number.

142002540135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142002540135 is a deficient number, since it is larger than the sum of its proper divisors (112622706585).

142002540135 is a wasteful number, since it uses less digits than its factorization.

142002540135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108814247 (or 108814244 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 142002540135 its reverse (531045200241), we get a palindrome (673047740376).

The spelling of 142002540135 in words is "one hundred forty-two billion, two million, five hundred forty thousand, one hundred thirty-five".