4125275138 has 4 divisors (see below), whose sum is σ = 6187912710. Its totient is φ = 2062637568.

The previous prime is 4125275107. The next prime is 4125275159. The reversal of 4125275138 is 8315725214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8315725214 = 2 ⋅4157862607.

It can be written as a sum of positive squares in only one way, i.e., 4011575569 + 113699569 = 63337^2 + 10663^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031318783 + ... + 1031318786.

Almost surely, 2^4125275138 is an apocalyptic number.

4125275138 is a deficient number, since it is larger than the sum of its proper divisors (2062637572).

4125275138 is a wasteful number, since it uses less digits than its factorization.

4125275138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062637571.

The product of its digits is 67200, while the sum is 38.

The square root of 4125275138 is about 64228.3048040348. The cubic root of 4125275138 is about 1603.8028213599.

The spelling of 4125275138 in words is "four billion, one hundred twenty-five million, two hundred seventy-five thousand, one hundred thirty-eight".