142613117 has 2 divisors, whose sum is σ = 142613118. Its totient is φ = 142613116.

The previous prime is 142613099. The next prime is 142613123. The reversal of 142613117 is 711316241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114618436 + 27994681 = 10706^2 + 5291^2 .

It is an emirp because it is prime and its reverse (711316241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142613117 - 2⁸ = 142612861 is a prime.

It is a super-2 number, since 2×142613117² = 40677002280911378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142613167) by changing a digit.

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 as a sum of consecutive naturals, namely, 71306558 + 71306559.

It is an arithmetic number, because the mean of its divisors is an integer number (71306559).

Almost surely, 2^142613117 is an apocalyptic number.

It is an amenable number.

142613117 is a deficient number, since it is larger than the sum of its proper divisors (1).

142613117 is an equidigital number, since it uses as much as digits as its factorization.

142613117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 142613117 is about 11942.0733961905. The cubic root of 142613117 is about 522.4601338600.

Adding to 142613117 its reverse (711316241), we get a palindrome (853929358).

The spelling of 142613117 in words is "one hundred forty-two million, six hundred thirteen thousand, one hundred seventeen".