142402027 has 2 divisors, whose sum is σ = 142402028. Its totient is φ = 142402026.

The previous prime is 142402019. The next prime is 142402031. The reversal of 142402027 is 720204241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142402027 - 2³ = 142402019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142401989 and 142402007.

It is not a weakly prime, because it can be changed into another prime (142402037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71201013 + 71201014.

It is an arithmetic number, because the mean of its divisors is an integer number (71201014).

Almost surely, 2^142402027 is an apocalyptic number.

142402027 is a deficient number, since it is larger than the sum of its proper divisors (1).

142402027 is an equidigital number, since it uses as much as digits as its factorization.

142402027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 142402027 is about 11933.2320433318. The cubic root of 142402027 is about 522.2022319914.

Adding to 142402027 its reverse (720204241), we get a palindrome (862606268).

The spelling of 142402027 in words is "one hundred forty-two million, four hundred two thousand, twenty-seven".