142306651393 has 2 divisors, whose sum is σ = 142306651394. Its totient is φ = 142306651392.

The previous prime is 142306651369. The next prime is 142306651397. The reversal of 142306651393 is 393156603241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135341580544 + 6965070849 = 367888^2 + 83457^2 .

It is a cyclic number.

It is not a de Polignac number, because 142306651393 - 2²¹ = 142304554241 is a prime.

It is not a weakly prime, because it can be changed into another prime (142306651397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71153325696 + 71153325697.

It is an arithmetic number, because the mean of its divisors is an integer number (71153325697).

Almost surely, 2^142306651393 is an apocalyptic number.

It is an amenable number.

142306651393 is a deficient number, since it is larger than the sum of its proper divisors (1).

142306651393 is an equidigital number, since it uses as much as digits as its factorization.

142306651393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 142306651393 in words is "one hundred forty-two billion, three hundred six million, six hundred fifty-one thousand, three hundred ninety-three".