61037138 has 16 divisors (see below), whose sum is σ = 94037760. Its totient is φ = 29702400.

The previous prime is 61037129. The next prime is 61037183. The reversal of 61037138 is 83173016.

61037138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61037138.

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 in 7 ways as a sum of consecutive naturals, for example, 8498 + ... + 13938.

It is an arithmetic number, because the mean of its divisors is an integer number (5877360).

Almost surely, 2^61037138 is an apocalyptic number.

61037138 is a deficient number, since it is larger than the sum of its proper divisors (33000622).

61037138 is a wasteful number, since it uses less digits than its factorization.

61037138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 61037138 is about 7812.6268309705. The cubic root of 61037138 is about 393.7295893342.

The spelling of 61037138 in words is "sixty-one million, thirty-seven thousand, one hundred thirty-eight".