142095938 has 4 divisors (see below), whose sum is σ = 213143910. Its totient is φ = 71047968.

The previous prime is 142095913. The next prime is 142095949. The reversal of 142095938 is 839590241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839590241 = 7 ⋅119941463.

It can be written as a sum of positive squares in only one way, i.e., 80048809 + 62047129 = 8947^2 + 7877^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142095895 and 142095904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35523983 + ... + 35523986.

Almost surely, 2^142095938 is an apocalyptic number.

142095938 is a deficient number, since it is larger than the sum of its proper divisors (71047972).

142095938 is an equidigital number, since it uses as much as digits as its factorization.

142095938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71047971.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 142095938 is about 11920.4000771786. The cubic root of 142095938 is about 521.8278107761.

The spelling of 142095938 in words is "one hundred forty-two million, ninety-five thousand, nine hundred thirty-eight".