142913065 has 4 divisors (see below), whose sum is σ = 171495684. Its totient is φ = 114330448.

The previous prime is 142913039. The next prime is 142913083. The reversal of 142913065 is 560319241.

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 75064896 + 67848169 = 8664^2 + 8237^2 .

It is a cyclic number.

It is not a de Polignac number, because 142913065 - 2¹¹ = 142911017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14291302 + ... + 14291311.

It is an arithmetic number, because the mean of its divisors is an integer number (42873921).

Almost surely, 2^142913065 is an apocalyptic number.

It is an amenable number.

142913065 is a deficient number, since it is larger than the sum of its proper divisors (28582619).

142913065 is an equidigital number, since it uses as much as digits as its factorization.

142913065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28582618.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 142913065 is about 11954.6252555235. The cubic root of 142913065 is about 522.8261617482.

The spelling of 142913065 in words is "one hundred forty-two million, nine hundred thirteen thousand, sixty-five".