4512379139 has 4 divisors (see below), whose sum is σ = 4777813224. Its totient is φ = 4246945056.

The previous prime is 4512379111. The next prime is 4512379147. The reversal of 4512379139 is 9319732154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4512379139 - 2²⁰ = 4511330563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4512379139.

It is not an unprimeable number, because it can be changed into a prime (4512379199) 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, 132717017 + ... + 132717050.

It is an arithmetic number, because the mean of its divisors is an integer number (1194453306).

Almost surely, 2^4512379139 is an apocalyptic number.

4512379139 is a deficient number, since it is larger than the sum of its proper divisors (265434085).

4512379139 is a wasteful number, since it uses less digits than its factorization.

4512379139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265434084.

The product of its digits is 204120, while the sum is 44.

The square root of 4512379139 is about 67174.2446105648. The cubic root of 4512379139 is about 1652.4761278644.

The spelling of 4512379139 in words is "four billion, five hundred twelve million, three hundred seventy-nine thousand, one hundred thirty-nine".