51238134 has 24 divisors (see below), whose sum is σ = 111154680. Its totient is φ = 17058048.

The previous prime is 51238111. The next prime is 51238139. The reversal of 51238134 is 43183215.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51238098 and 51238107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51238139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20737 + ... + 23075.

It is an arithmetic number, because the mean of its divisors is an integer number (4631445).

Almost surely, 2^51238134 is an apocalyptic number.

51238134 is an abundant number, since it is smaller than the sum of its proper divisors (59916546).

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

51238134 is a wasteful number, since it uses less digits than its factorization.

51238134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3561 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 51238134 is about 7158.0817262728. The cubic root of 51238134 is about 371.4192725342.

The spelling of 51238134 in words is "fifty-one million, two hundred thirty-eight thousand, one hundred thirty-four".