37121138 has 8 divisors (see below), whose sum is σ = 57186732. Its totient is φ = 18058896.

The previous prime is 37121137. The next prime is 37121141. The reversal of 37121138 is 83112173.

37121138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34421689 + 2699449 = 5867^2 + 1643^2 .

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

It is not an unprimeable number, because it can be changed into a prime (37121137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 250745 + ... + 250892.

Almost surely, 2^37121138 is an apocalyptic number.

37121138 is a deficient number, since it is larger than the sum of its proper divisors (20065594).

37121138 is a wasteful number, since it uses less digits than its factorization.

37121138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501676.

The product of its digits is 1008, while the sum is 26.

The square root of 37121138 is about 6092.7118756757. The cubic root of 37121138 is about 333.5854454925.

The spelling of 37121138 in words is "thirty-seven million, one hundred twenty-one thousand, one hundred thirty-eight".