142828613 has 2 divisors, whose sum is σ = 142828614. Its totient is φ = 142828612.

The previous prime is 142828589. The next prime is 142828639. The reversal of 142828613 is 316828241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113592964 + 29235649 = 10658^2 + 5407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142828613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142828663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71414306 + 71414307.

It is an arithmetic number, because the mean of its divisors is an integer number (71414307).

Almost surely, 2^142828613 is an apocalyptic number.

It is an amenable number.

142828613 is a deficient number, since it is larger than the sum of its proper divisors (1).

142828613 is an equidigital number, since it uses as much as digits as its factorization.

142828613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 35.

The square root of 142828613 is about 11951.0925441986. The cubic root of 142828613 is about 522.7231564348.

The spelling of 142828613 in words is "one hundred forty-two million, eight hundred twenty-eight thousand, six hundred thirteen".