548377139 has 4 divisors (see below), whose sum is σ = 549467856. Its totient is φ = 547286424.

The previous prime is 548377133. The next prime is 548377163. The reversal of 548377139 is 931773845.

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 548377139 - 2²⁴ = 531599923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 548377093 and 548377102.

It is not an unprimeable number, because it can be changed into a prime (548377133) 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, 544604 + ... + 545609.

It is an arithmetic number, because the mean of its divisors is an integer number (137366964).

Almost surely, 2^548377139 is an apocalyptic number.

548377139 is a deficient number, since it is larger than the sum of its proper divisors (1090717).

548377139 is a wasteful number, since it uses less digits than its factorization.

548377139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090716.

The product of its digits is 635040, while the sum is 47.

The square root of 548377139 is about 23417.4537258003. The cubic root of 548377139 is about 818.5146315344.

The spelling of 548377139 in words is "five hundred forty-eight million, three hundred seventy-seven thousand, one hundred thirty-nine".