147139446138 has 8 divisors (see below), whose sum is σ = 294278892288. Its totient is φ = 49046482044.

The previous prime is 147139446137. The next prime is 147139446143. The reversal of 147139446138 is 831644931741.

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

147139446138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (147139446131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12261620506 + ... + 12261620517.

It is an arithmetic number, because the mean of its divisors is an integer number (36784861536).

Almost surely, 2^147139446138 is an apocalyptic number.

147139446138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147139446138 is a wasteful number, since it uses less digits than its factorization.

147139446138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24523241028.

The product of its digits is 1741824, while the sum is 51.

The spelling of 147139446138 in words is "one hundred forty-seven billion, one hundred thirty-nine million, four hundred forty-six thousand, one hundred thirty-eight".