5651138 has 16 divisors (see below), whose sum is σ = 8739360. Its totient is φ = 2739456.

The previous prime is 5651137. The next prime is 5651141. The reversal of 5651138 is 8311565.

It is a self number, because there is not a number n which added to its sum of digits gives 5651138.

It is not an unprimeable number, because it can be changed into a prime (5651131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9506 + ... + 10082.

It is an arithmetic number, because the mean of its divisors is an integer number (546210).

Almost surely, 2^5651138 is an apocalyptic number.

5651138 is a deficient number, since it is larger than the sum of its proper divisors (3088222).

5651138 is a wasteful number, since it uses less digits than its factorization.

5651138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its digits is 3600, while the sum is 29.

The square root of 5651138 is about 2377.2122328475. The cubic root of 5651138 is about 178.1197065422.

The spelling of 5651138 in words is "five million, six hundred fifty-one thousand, one hundred thirty-eight".