142004685194 has 8 divisors (see below), whose sum is σ = 213010133700. Its totient is φ = 71001307296.

The previous prime is 142004685167. The next prime is 142004685223. The reversal of 142004685194 is 491586400241.

It can be written as a sum of positive squares in 2 ways, for example, as 139505985025 + 2498700169 = 373505^2 + 49987^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333029 + ... + 628424.

Almost surely, 2^142004685194 is an apocalyptic number.

142004685194 is a deficient number, since it is larger than the sum of its proper divisors (71005448506).

142004685194 is an equidigital number, since it uses as much as digits as its factorization.

142004685194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035304.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 142004685194 in words is "one hundred forty-two billion, four million, six hundred eighty-five thousand, one hundred ninety-four".