37440139 has 8 divisors (see below), whose sum is σ = 41029632. Its totient is φ = 33881640.

The previous prime is 37440097. The next prime is 37440149. The reversal of 37440139 is 93104473.

37440139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37440139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37440139.

It is not an unprimeable number, because it can be changed into a prime (37440149) 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 7 ways as a sum of consecutive naturals, for example, 5179 + ... + 10084.

It is an arithmetic number, because the mean of its divisors is an integer number (5128704).

Almost surely, 2^37440139 is an apocalyptic number.

37440139 is a deficient number, since it is larger than the sum of its proper divisors (3589493).

37440139 is a wasteful number, since it uses less digits than its factorization.

37440139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15497.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 37440139 is about 6118.8347746936. The cubic root of 37440139 is about 334.5382782968.

The spelling of 37440139 in words is "thirty-seven million, four hundred forty thousand, one hundred thirty-nine".