142239105330 has 64 divisors (see below), whose sum is σ = 392725352448. Its totient is φ = 32296478400.

The previous prime is 142239105329. The next prime is 142239105361. The reversal of 142239105330 is 33501932241.

It is a super-3 number, since 3×142239105330³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142239105291 and 142239105300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2211102 + ... + 2274521.

It is an arithmetic number, because the mean of its divisors is an integer number (6136333632).

Almost surely, 2^142239105330 is an apocalyptic number.

142239105330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142239105330 is an abundant number, since it is smaller than the sum of its proper divisors (250486247118).

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

142239105330 is a wasteful number, since it uses less digits than its factorization.

142239105330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485791.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 142239105330 in words is "one hundred forty-two billion, two hundred thirty-nine million, one hundred five thousand, three hundred thirty".