142926439 has 8 divisors (see below), whose sum is σ = 149415552. Its totient is φ = 136460280.

The previous prime is 142926437. The next prime is 142926473. The reversal of 142926439 is 934629241.

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 142926439 - 2¹ = 142926437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142926437) 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, 7692 + ... + 18574.

It is an arithmetic number, because the mean of its divisors is an integer number (18676944).

Almost surely, 2^142926439 is an apocalyptic number.

142926439 is a deficient number, since it is larger than the sum of its proper divisors (6489113).

142926439 is a wasteful number, since it uses less digits than its factorization.

142926439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11477.

The product of its digits is 93312, while the sum is 40.

The square root of 142926439 is about 11955.1846075249. The cubic root of 142926439 is about 522.8424701685.

The spelling of 142926439 in words is "one hundred forty-two million, nine hundred twenty-six thousand, four hundred thirty-nine".