4520136 has 32 divisors (see below), whose sum is σ = 11354400. Its totient is φ = 1499520.

The previous prime is 4520129. The next prime is 4520137. The reversal of 4520136 is 6310254.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4520137) 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, 7660 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (354825).

Almost surely, 2^4520136 is an apocalyptic number.

It is an amenable number.

4520136 is an abundant number, since it is smaller than the sum of its proper divisors (6834264).

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

4520136 is a wasteful number, since it uses less digits than its factorization.

4520136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4520136 is about 2126.0611468159. The cubic root of 4520136 is about 165.3422464555.

It can be divided in two parts, 4520 and 136, that added together give a triangular number (4656 = T₉₆).

The spelling of 4520136 in words is "four million, five hundred twenty thousand, one hundred thirty-six".