134623465238 has 4 divisors (see below), whose sum is σ = 201935197860. Its totient is φ = 67311732618.

The previous prime is 134623465201. The next prime is 134623465259. The reversal of 134623465238 is 832564326431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832564326431 = 17 ⋅48974372143.

It is a junction number, because it is equal to n+sod(n) for n = 134623465192 and 134623465201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33655866308 + ... + 33655866311.

It is an arithmetic number, because the mean of its divisors is an integer number (50483799465).

Almost surely, 2^134623465238 is an apocalyptic number.

134623465238 is a deficient number, since it is larger than the sum of its proper divisors (67311732622).

134623465238 is an equidigital number, since it uses as much as digits as its factorization.

134623465238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67311732621.

The product of its digits is 2488320, while the sum is 47.

The spelling of 134623465238 in words is "one hundred thirty-four billion, six hundred twenty-three million, four hundred sixty-five thousand, two hundred thirty-eight".