142254390136398 has 16 divisors (see below), whose sum is σ = 284900126609280. Its totient is φ = 47352905656056.

The previous prime is 142254390136319. The next prime is 142254390136399. The reversal of 142254390136398 is 893631093452241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142254390136399) 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, 16306092628 + ... + 16306101351.

It is an arithmetic number, because the mean of its divisors is an integer number (17806257913080).

Almost surely, 2^{142254390136398} is an apocalyptic number.

142254390136398 is an abundant number, since it is smaller than the sum of its proper divisors (142645736472882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142254390136398 is a wasteful number, since it uses less digits than its factorization.

142254390136398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32612194711.

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 142254390136398 in words is "one hundred forty-two trillion, two hundred fifty-four billion, three hundred ninety million, one hundred thirty-six thousand, three hundred ninety-eight".