142038619897 has 8 divisors (see below), whose sum is σ = 142871126400. Its totient is φ = 141206547024.

The previous prime is 142038619889. The next prime is 142038619907. The reversal of 142038619897 is 798916830241.

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 142038619897 - 2³ = 142038619889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142038619837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560679 + ... + 773587.

It is an arithmetic number, because the mean of its divisors is an integer number (17858890800).

Almost surely, 2^142038619897 is an apocalyptic number.

It is an amenable number.

142038619897 is a deficient number, since it is larger than the sum of its proper divisors (832506503).

142038619897 is a wasteful number, since it uses less digits than its factorization.

142038619897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216815.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 142038619897 in words is "one hundred forty-two billion, thirty-eight million, six hundred nineteen thousand, eight hundred ninety-seven".