142297509398 has 8 divisors (see below), whose sum is σ = 232850469960. Its totient is φ = 64680686080.

The previous prime is 142297509397. The next prime is 142297509413. The reversal of 142297509398 is 893905792241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142297509397) 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 3 ways as a sum of consecutive naturals, for example, 3234034283 + ... + 3234034326.

It is an arithmetic number, because the mean of its divisors is an integer number (29106308745).

Almost surely, 2^142297509398 is an apocalyptic number.

142297509398 is a deficient number, since it is larger than the sum of its proper divisors (90552960562).

142297509398 is a wasteful number, since it uses less digits than its factorization.

142297509398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468068622.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 142297509398 in words is "one hundred forty-two billion, two hundred ninety-seven million, five hundred nine thousand, three hundred ninety-eight".