146831539801 has 4 divisors (see below), whose sum is σ = 154559515600. Its totient is φ = 139103564004.

The previous prime is 146831539787. The next prime is 146831539843. The reversal of 146831539801 is 108935138641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146831539801 - 2⁵ = 146831539769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146831539871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3863987871 + ... + 3863987908.

It is an arithmetic number, because the mean of its divisors is an integer number (38639878900).

Almost surely, 2^146831539801 is an apocalyptic number.

It is an amenable number.

146831539801 is a deficient number, since it is larger than the sum of its proper divisors (7727975799).

146831539801 is an equidigital number, since it uses as much as digits as its factorization.

146831539801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727975798.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 146831539801 in words is "one hundred forty-six billion, eight hundred thirty-one million, five hundred thirty-nine thousand, eight hundred one".