142402651393 has 2 divisors, whose sum is σ = 142402651394. Its totient is φ = 142402651392.

The previous prime is 142402651379. The next prime is 142402651459. The reversal of 142402651393 is 393156204241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134860076289 + 7542575104 = 367233^2 + 86848^2 .

It is an emirp because it is prime and its reverse (393156204241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142402651393 - 2⁵ = 142402651361 is a prime.

It is not a weakly prime, because it can be changed into another prime (142402651343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71201325696 + 71201325697.

It is an arithmetic number, because the mean of its divisors is an integer number (71201325697).

Almost surely, 2^142402651393 is an apocalyptic number.

It is an amenable number.

142402651393 is a deficient number, since it is larger than the sum of its proper divisors (1).

142402651393 is an equidigital number, since it uses as much as digits as its factorization.

142402651393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 142402651393 in words is "one hundred forty-two billion, four hundred two million, six hundred fifty-one thousand, three hundred ninety-three".