5136520 has 16 divisors (see below), whose sum is σ = 11557260. Its totient is φ = 2054592.

The previous prime is 5136511. The next prime is 5136529. The reversal of 5136520 is 256315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5136511) and next prime (5136529).

It can be written as a sum of positive squares in 2 ways, for example, as 5134756 + 1764 = 2266^2 + 42^2 .

It is a super-3 number, since 3×5136520³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5136491 and 5136500.

It is not an unprimeable number, because it can be changed into a prime (5136529) 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, 64167 + ... + 64246.

Almost surely, 2^5136520 is an apocalyptic number.

It is an amenable number.

5136520 is an abundant number, since it is smaller than the sum of its proper divisors (6420740).

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

5136520 is a wasteful number, since it uses less digits than its factorization.

5136520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128424 (or 128420 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5136520 is about 2266.3891987035. The cubic root of 5136520 is about 172.5399473401.

The spelling of 5136520 in words is "five million, one hundred thirty-six thousand, five hundred twenty".