5139455 has 4 divisors (see below), whose sum is σ = 6167352. Its totient is φ = 4111560.

The previous prime is 5139451. The next prime is 5139461. The reversal of 5139455 is 5549315.

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

It is not a de Polignac number, because 5139455 - 2² = 5139451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513941 + ... + 513950.

It is an arithmetic number, because the mean of its divisors is an integer number (1541838).

Almost surely, 2^5139455 is an apocalyptic number.

5139455 is a deficient number, since it is larger than the sum of its proper divisors (1027897).

5139455 is a wasteful number, since it uses less digits than its factorization.

5139455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027896.

The product of its digits is 13500, while the sum is 32.

The square root of 5139455 is about 2267.0366119673. The cubic root of 5139455 is about 172.5728041071.

The spelling of 5139455 in words is "five million, one hundred thirty-nine thousand, four hundred fifty-five".