51134138 has 32 divisors (see below), whose sum is σ = 86372352. Its totient is φ = 22503600.

The previous prime is 51134119. The next prime is 51134141. The reversal of 51134138 is 83143115.

It is a super-2 number, since 2×51134138² = 5229400138006088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180545 + ... + 180827.

It is an arithmetic number, because the mean of its divisors is an integer number (2699136).

Almost surely, 2^51134138 is an apocalyptic number.

51134138 is a deficient number, since it is larger than the sum of its proper divisors (35238214).

51134138 is a wasteful number, since it uses less digits than its factorization.

51134138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its digits is 1440, while the sum is 26.

The square root of 51134138 is about 7150.8137998412. The cubic root of 51134138 is about 371.1678173660.

The spelling of 51134138 in words is "fifty-one million, one hundred thirty-four thousand, one hundred thirty-eight".