5135420 has 12 divisors (see below), whose sum is σ = 10784424. Its totient is φ = 2054160.

The previous prime is 5135413. The next prime is 5135423. The reversal of 5135420 is 245315.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 256771 = 5135420 / (5 + 1 + 3 + 5 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 5135392 and 5135401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5135423) 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, 128366 + ... + 128405.

It is an arithmetic number, because the mean of its divisors is an integer number (898702).

Almost surely, 2^5135420 is an apocalyptic number.

It is an amenable number.

5135420 is an abundant number, since it is smaller than the sum of its proper divisors (5649004).

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

5135420 is a wasteful number, since it uses less digits than its factorization.

5135420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256780 (or 256778 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5135420 is about 2266.1465089442. The cubic root of 5135420 is about 172.5276298247.

It can be divided in two parts, 5135 and 420, that added together give a palindrome (5555).

The spelling of 5135420 in words is "five million, one hundred thirty-five thousand, four hundred twenty".