142004013 has 8 divisors (see below), whose sum is σ = 192911328. Its totient is φ = 92883024.

The previous prime is 142003999. The next prime is 142004029. The reversal of 142004013 is 310400241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142004013 - 2⁶ = 142003949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142003983 and 142004001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142004063) 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, 446395 + ... + 446712.

It is an arithmetic number, because the mean of its divisors is an integer number (24113916).

Almost surely, 2^142004013 is an apocalyptic number.

It is an amenable number.

142004013 is a deficient number, since it is larger than the sum of its proper divisors (50907315).

142004013 is an equidigital number, since it uses as much as digits as its factorization.

142004013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893163.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142004013 is about 11916.5436683629. The cubic root of 142004013 is about 521.7152591907.

Adding to 142004013 its reverse (310400241), we get a palindrome (452404254).

The spelling of 142004013 in words is "one hundred forty-two million, four thousand, thirteen".