146402271139 has 2 divisors, whose sum is σ = 146402271140. Its totient is φ = 146402271138.

The previous prime is 146402271131. The next prime is 146402271161. The reversal of 146402271139 is 931172204641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146402271139 - 2³ = 146402271131 is a prime.

It is not a weakly prime, because it can be changed into another prime (146402271131) 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, 73201135569 + 73201135570.

It is an arithmetic number, because the mean of its divisors is an integer number (73201135570).

Almost surely, 2^146402271139 is an apocalyptic number.

146402271139 is a deficient number, since it is larger than the sum of its proper divisors (1).

146402271139 is an equidigital number, since it uses as much as digits as its factorization.

146402271139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 146402271139 in words is "one hundred forty-six billion, four hundred two million, two hundred seventy-one thousand, one hundred thirty-nine".