142313399 has 2 divisors, whose sum is σ = 142313400. Its totient is φ = 142313398.

The previous prime is 142313393. The next prime is 142313407. The reversal of 142313399 is 993313241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142313399 - 2²⁴ = 125536183 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_8035388 and since 142313399 and 8035388 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142313393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71156699 + 71156700.

It is an arithmetic number, because the mean of its divisors is an integer number (71156700).

Almost surely, 2^142313399 is an apocalyptic number.

142313399 is a deficient number, since it is larger than the sum of its proper divisors (1).

142313399 is an equidigital number, since it uses as much as digits as its factorization.

142313399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 142313399 is about 11929.5179701445. The cubic root of 142313399 is about 522.0938736454.

The spelling of 142313399 in words is "one hundred forty-two million, three hundred thirteen thousand, three hundred ninety-nine".