5139456 has 88 divisors (see below), whose sum is σ = 15720960. Its totient is φ = 1462272.

The previous prime is 5139451. The next prime is 5139461. The reversal of 5139456 is 6549315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5139451) and next prime (5139461).

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21385 + ... + 21623.

Almost surely, 2^5139456 is an apocalyptic number.

5139456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5139456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7860480).

5139456 is an abundant number, since it is smaller than the sum of its proper divisors (10581504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5139456 is a wasteful number, since it uses less digits than its factorization.

5139456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 251 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 5139456 is about 2267.0368325195. The cubic root of 5139456 is about 172.5728152998.

The spelling of 5139456 in words is "five million, one hundred thirty-nine thousand, four hundred fifty-six".