51306135 has 8 divisors (see below), whose sum is σ = 82089840. Its totient is φ = 27363264.

The previous prime is 51306107. The next prime is 51306139. The reversal of 51306135 is 53160315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51306135 - 2⁵ = 51306103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51306139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710190 + ... + 1710219.

It is an arithmetic number, because the mean of its divisors is an integer number (10261230).

Almost surely, 2^51306135 is an apocalyptic number.

51306135 is a deficient number, since it is larger than the sum of its proper divisors (30783705).

51306135 is a wasteful number, since it uses less digits than its factorization.

51306135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420417.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 51306135 is about 7162.8300971055. The cubic root of 51306135 is about 371.5835103452.

The spelling of 51306135 in words is "fifty-one million, three hundred six thousand, one hundred thirty-five".