51070136 has 16 divisors (see below), whose sum is σ = 103122600. Its totient is φ = 23570784.

The previous prime is 51070067. The next prime is 51070139. The reversal of 51070136 is 63107015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51070139) 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 3 ways as a sum of consecutive naturals, for example, 245426 + ... + 245633.

Almost surely, 2^51070136 is an apocalyptic number.

It is an amenable number.

51070136 is an abundant number, since it is smaller than the sum of its proper divisors (52052464).

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

51070136 is a wasteful number, since it uses less digits than its factorization.

51070136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491078 (or 491074 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 51070136 is about 7146.3372436515. The cubic root of 51070136 is about 371.0128954186.

The spelling of 51070136 in words is "fifty-one million, seventy thousand, one hundred thirty-six".