4556138 has 4 divisors (see below), whose sum is σ = 6834210. Its totient is φ = 2278068.

The previous prime is 4556137. The next prime is 4556147. The reversal of 4556138 is 8316554.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3374569 + 1181569 = 1837^2 + 1087^2 .

It is not an unprimeable number, because it can be changed into a prime (4556131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139033 + ... + 1139036.

Almost surely, 2^4556138 is an apocalyptic number.

4556138 is a deficient number, since it is larger than the sum of its proper divisors (2278072).

4556138 is a wasteful number, since it uses less digits than its factorization.

4556138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278071.

The product of its digits is 14400, while the sum is 32.

The square root of 4556138 is about 2134.5111852600. The cubic root of 4556138 is about 165.7800590358.

The spelling of 4556138 in words is "four million, five hundred fifty-six thousand, one hundred thirty-eight".