146181137138 has 8 divisors (see below), whose sum is σ = 219550325232. Its totient is φ = 72997695396.

The previous prime is 146181137129. The next prime is 146181137153. The reversal of 146181137138 is 831731181641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46434620 + ... + 46437767.

It is an arithmetic number, because the mean of its divisors is an integer number (27443790654).

Almost surely, 2^146181137138 is an apocalyptic number.

146181137138 is a deficient number, since it is larger than the sum of its proper divisors (73369188094).

146181137138 is an equidigital number, since it uses as much as digits as its factorization.

146181137138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92873176.

The product of its digits is 96768, while the sum is 44.

The spelling of 146181137138 in words is "one hundred forty-six billion, one hundred eighty-one million, one hundred thirty-seven thousand, one hundred thirty-eight".