38130518 has 4 divisors (see below), whose sum is σ = 57195780. Its totient is φ = 19065258.

The previous prime is 38130509. The next prime is 38130553. The reversal of 38130518 is 81503183.

38130518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81503183 = 97 ⋅840239.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9532628 + ... + 9532631.

It is an arithmetic number, because the mean of its divisors is an integer number (14298945).

Almost surely, 2^38130518 is an apocalyptic number.

38130518 is a deficient number, since it is larger than the sum of its proper divisors (19065262).

38130518 is a wasteful number, since it uses less digits than its factorization.

38130518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19065261.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 38130518 is about 6174.9913360263. The cubic root of 38130518 is about 336.5820116314.

The spelling of 38130518 in words is "thirty-eight million, one hundred thirty thousand, five hundred eighteen".