142940929 has 8 divisors (see below), whose sum is σ = 149671872. Its totient is φ = 136253040.

The previous prime is 142940927. The next prime is 142940983. The reversal of 142940929 is 929049241.

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 142940929 - 2¹ = 142940927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142940891 and 142940900.

It is not an unprimeable number, because it can be changed into a prime (142940921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3867 + ... + 17344.

It is an arithmetic number, because the mean of its divisors is an integer number (18708984).

Almost surely, 2^142940929 is an apocalyptic number.

It is an amenable number.

142940929 is a deficient number, since it is larger than the sum of its proper divisors (6730943).

142940929 is a wasteful number, since it uses less digits than its factorization.

142940929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21527.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 142940929 is about 11955.7906053929. The cubic root of 142940929 is about 522.8601383047.

The spelling of 142940929 in words is "one hundred forty-two million, nine hundred forty thousand, nine hundred twenty-nine".