142004310781 has 8 divisors (see below), whose sum is σ = 144633600000. Its totient is φ = 139384742640.

The previous prime is 142004310779. The next prime is 142004310793. The reversal of 142004310781 is 187013400241.

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 142004310781 - 2¹ = 142004310779 is a prime.

It is a super-2 number, since 2×142004310781² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142004310751) 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, 2400781 + ... + 2459218.

It is an arithmetic number, because the mean of its divisors is an integer number (18079200000).

Almost surely, 2^142004310781 is an apocalyptic number.

It is an amenable number.

142004310781 is a deficient number, since it is larger than the sum of its proper divisors (2629289219).

142004310781 is an equidigital number, since it uses as much as digits as its factorization.

142004310781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860539.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 142004310781 in words is "one hundred forty-two billion, four million, three hundred ten thousand, seven hundred eighty-one".