4540136 has 16 divisors (see below), whose sum is σ = 8787840. Its totient is φ = 2196720.

The previous prime is 4540127. The next prime is 4540147. The reversal of 4540136 is 6310454.

It is a happy number.

It is a super-2 number, since 2×4540136² = 41225669796992, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8906 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (549240).

Almost surely, 2^4540136 is an apocalyptic number.

It is an amenable number.

4540136 is a deficient number, since it is larger than the sum of its proper divisors (4247704).

4540136 is a wasteful number, since it uses less digits than its factorization.

4540136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18344 (or 18340 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4540136 is about 2130.7594890086. The cubic root of 4540136 is about 165.5857479547.

The spelling of 4540136 in words is "four million, five hundred forty thousand, one hundred thirty-six".