148134478138 has 8 divisors (see below), whose sum is σ = 222497593920. Its totient is φ = 73968613500.

The previous prime is 148134478123. The next prime is 148134478211. The reversal of 148134478138 is 831874431841.

It is a happy number.

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

It is a super-2 number, since 2×148134478138² (a number of 23 digits) contains 22 as substring.

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, 49310908 + ... + 49313911.

It is an arithmetic number, because the mean of its divisors is an integer number (27812199240).

Almost surely, 2^148134478138 is an apocalyptic number.

148134478138 is a deficient number, since it is larger than the sum of its proper divisors (74363115782).

148134478138 is an equidigital number, since it uses as much as digits as its factorization.

148134478138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98625572.

The product of its digits is 2064384, while the sum is 52.

The spelling of 148134478138 in words is "one hundred forty-eight billion, one hundred thirty-four million, four hundred seventy-eight thousand, one hundred thirty-eight".