142019868377 has 8 divisors (see below), whose sum is σ = 147856304136. Its totient is φ = 136288593792.

The previous prime is 142019868329. The next prime is 142019868379. The reversal of 142019868377 is 773868910241.

It can be written as a sum of positive squares in 4 ways, for example, as 45271498441 + 96748369936 = 212771^2 + 311044^2 .

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 142019868377 - 2¹⁴ = 142019851993 is a prime.

It is a super-2 number, since 2×142019868377² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142019868379) 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, 26287538 + ... + 26292939.

It is an arithmetic number, because the mean of its divisors is an integer number (18482038017).

Almost surely, 2^142019868377 is an apocalyptic number.

It is an amenable number.

142019868377 is a deficient number, since it is larger than the sum of its proper divisors (5836435759).

142019868377 is an equidigital number, since it uses as much as digits as its factorization.

142019868377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52580587.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 142019868377 in words is "one hundred forty-two billion, nineteen million, eight hundred sixty-eight thousand, three hundred seventy-seven".