134878123233 has 24 divisors (see below), whose sum is σ = 235753360128. Its totient is φ = 72539494272.

The previous prime is 134878123213. The next prime is 134878123253. The reversal of 134878123233 is 332321878431.

It is a happy number.

134878123233 is a `hidden beast` number, since 1 + 348 + 78 + 1 + 2 + 3 + 233 = 666.

It is an interprime number because it is at equal distance from previous prime (134878123213) and next prime (134878123253).

It is not a de Polignac number, because 134878123233 - 2²² = 134873928929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134878123213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62967241 + ... + 62969382.

It is an arithmetic number, because the mean of its divisors is an integer number (9823056672).

Almost surely, 2^134878123233 is an apocalyptic number.

It is an amenable number.

134878123233 is a deficient number, since it is larger than the sum of its proper divisors (100875236895).

134878123233 is a wasteful number, since it uses less digits than its factorization.

134878123233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125936653 (or 125936650 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 134878123233 in words is "one hundred thirty-four billion, eight hundred seventy-eight million, one hundred twenty-three thousand, two hundred thirty-three".