142010513 has 4 divisors (see below), whose sum is σ = 142128420. Its totient is φ = 141892608.

The previous prime is 142010509. The next prime is 142010521. The reversal of 142010513 is 315010241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100240144 + 41770369 = 10012^2 + 6463^2 .

It is a cyclic number.

It is not a de Polignac number, because 142010513 - 2² = 142010509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142010491 and 142010500.

It is not an unprimeable number, because it can be changed into a prime (142010563) 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 3 ways as a sum of consecutive naturals, for example, 57128 + ... + 59561.

It is an arithmetic number, because the mean of its divisors is an integer number (35532105).

Almost surely, 2^142010513 is an apocalyptic number.

It is an amenable number.

142010513 is a deficient number, since it is larger than the sum of its proper divisors (117907).

142010513 is a wasteful number, since it uses less digits than its factorization.

142010513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117906.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 142010513 is about 11916.8163953298. The cubic root of 142010513 is about 521.7232192884.

Adding to 142010513 its reverse (315010241), we get a palindrome (457020754).

The spelling of 142010513 in words is "one hundred forty-two million, ten thousand, five hundred thirteen".