142825169938 has 16 divisors (see below), whose sum is σ = 233890884000. Its totient is φ = 64871373600.

The previous prime is 142825169923. The next prime is 142825169939. The reversal of 142825169938 is 839961528241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142825169939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428188 + ... + 2486311.

It is an arithmetic number, because the mean of its divisors is an integer number (14618180250).

Almost surely, 2^142825169938 is an apocalyptic number.

142825169938 is a deficient number, since it is larger than the sum of its proper divisors (91065714062).

142825169938 is a wasteful number, since it uses less digits than its factorization.

142825169938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915833.

The product of its digits is 7464960, while the sum is 58.

The spelling of 142825169938 in words is "one hundred forty-two billion, eight hundred twenty-five million, one hundred sixty-nine thousand, nine hundred thirty-eight".