5138766 has 24 divisors (see below), whose sum is σ = 11302824. Its totient is φ = 1686960.

The previous prime is 5138753. The next prime is 5138789. The reversal of 5138766 is 6678315.

5138766 is a `hidden beast` number, since 513 + 87 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5138766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 925 + ... + 3336.

It is an arithmetic number, because the mean of its divisors is an integer number (470951).

Almost surely, 2^5138766 is an apocalyptic number.

5138766 is an abundant number, since it is smaller than the sum of its proper divisors (6164058).

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

5138766 is a wasteful number, since it uses less digits than its factorization.

5138766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336 (or 4333 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 5138766 is about 2266.8846463815. The cubic root of 5138766 is about 172.5650920069.

It can be divided in two parts, 51 and 38766, that multiplied together give a triangular number (1977066 = T₁₉₈₈).

The spelling of 5138766 in words is "five million, one hundred thirty-eight thousand, seven hundred sixty-six".