142717313 has 4 divisors (see below), whose sum is σ = 144727488. Its totient is φ = 140707140.

The previous prime is 142717279. The next prime is 142717321. The reversal of 142717313 is 313717241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313717241 = 31 ⋅10119911.

It is a cyclic number.

It is not a de Polignac number, because 142717313 - 2⁶ = 142717249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142747313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004981 + ... + 1005122.

It is an arithmetic number, because the mean of its divisors is an integer number (36181872).

Almost surely, 2^142717313 is an apocalyptic number.

It is an amenable number.

142717313 is a deficient number, since it is larger than the sum of its proper divisors (2010175).

142717313 is an equidigital number, since it uses as much as digits as its factorization.

142717313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010174.

The product of its digits is 3528, while the sum is 29.

The square root of 142717313 is about 11946.4351586572. The cubic root of 142717313 is about 522.5873428310.

The spelling of 142717313 in words is "one hundred forty-two million, seven hundred seventeen thousand, three hundred thirteen".