142093339 has 4 divisors (see below), whose sum is σ = 144422800. Its totient is φ = 139763880.

The previous prime is 142093309. The next prime is 142093349. The reversal of 142093339 is 933390241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933390241 = 7 ⋅133341463.

It is a cyclic number.

It is not a de Polignac number, because 142093339 - 2¹³ = 142085147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142093309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164639 + ... + 1164760.

It is an arithmetic number, because the mean of its divisors is an integer number (36105700).

Almost surely, 2^142093339 is an apocalyptic number.

142093339 is a deficient number, since it is larger than the sum of its proper divisors (2329461).

142093339 is an equidigital number, since it uses as much as digits as its factorization.

142093339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329460.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 142093339 is about 11920.2910618827. The cubic root of 142093339 is about 521.8246292666.

The spelling of 142093339 in words is "one hundred forty-two million, ninety-three thousand, three hundred thirty-nine".