142807933 has 8 divisors (see below), whose sum is σ = 150444800. Its totient is φ = 135183168.

The previous prime is 142807927. The next prime is 142807957. The reversal of 142807933 is 339708241.

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 142807933 - 2²¹ = 140710781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142807892 and 142807901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142807963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31285 + ... + 35557.

It is an arithmetic number, because the mean of its divisors is an integer number (18805600).

Almost surely, 2^142807933 is an apocalyptic number.

It is an amenable number.

142807933 is a deficient number, since it is larger than the sum of its proper divisors (7636867).

142807933 is a wasteful number, since it uses less digits than its factorization.

142807933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 142807933 is about 11950.2273200136. The cubic root of 142807933 is about 522.6979270441.

The spelling of 142807933 in words is "one hundred forty-two million, eight hundred seven thousand, nine hundred thirty-three".