142005134433 has 8 divisors (see below), whose sum is σ = 193368693888. Its totient is φ = 92655832304.

The previous prime is 142005134431. The next prime is 142005134437. The reversal of 142005134433 is 334431500241.

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

It is a cyclic number.

It is not a de Polignac number, because 142005134433 - 2¹ = 142005134431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142005134433.

It is not an unprimeable number, because it can be changed into a prime (142005134431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503564166 + ... + 503564447.

It is an arithmetic number, because the mean of its divisors is an integer number (24171086736).

Almost surely, 2^142005134433 is an apocalyptic number.

It is an amenable number.

142005134433 is a deficient number, since it is larger than the sum of its proper divisors (51363559455).

142005134433 is a wasteful number, since it uses less digits than its factorization.

142005134433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007128663.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 142005134433 its reverse (334431500241), we get a palindrome (476436634674).

The spelling of 142005134433 in words is "one hundred forty-two billion, five million, one hundred thirty-four thousand, four hundred thirty-three".