142506938 has 16 divisors (see below), whose sum is σ = 252178944. Its totient is φ = 59104080.

The previous prime is 142506913. The next prime is 142506941. The reversal of 142506938 is 839605241.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163745 + ... + 164612.

It is an arithmetic number, because the mean of its divisors is an integer number (15761184).

Almost surely, 2^142506938 is an apocalyptic number.

142506938 is a deficient number, since it is larger than the sum of its proper divisors (109672006).

142506938 is a wasteful number, since it uses less digits than its factorization.

142506938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328397.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 142506938 is about 11937.6269836178. The cubic root of 142506938 is about 522.3304401620.

The spelling of 142506938 in words is "one hundred forty-two million, five hundred six thousand, nine hundred thirty-eight".