142677938 has 16 divisors (see below), whose sum is σ = 231408576. Its totient is φ = 65586000.

The previous prime is 142677929. The next prime is 142677959. The reversal of 142677938 is 839776241.

It is a junction number, because it is equal to n+sod(n) for n = 142677892 and 142677901.

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 in 7 ways as a sum of consecutive naturals, for example, 4406 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (14463036).

Almost surely, 2^142677938 is an apocalyptic number.

142677938 is a deficient number, since it is larger than the sum of its proper divisors (88730638).

142677938 is a wasteful number, since it uses less digits than its factorization.

142677938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22129.

The product of its digits is 508032, while the sum is 47.

The square root of 142677938 is about 11944.7870638199. The cubic root of 142677938 is about 522.5392786570.

The spelling of 142677938 in words is "one hundred forty-two million, six hundred seventy-seven thousand, nine hundred thirty-eight".