39137144 has 16 divisors (see below), whose sum is σ = 73507920. Its totient is φ = 19535040.

The previous prime is 39137143. The next prime is 39137233. The reversal of 39137144 is 44173193.

It is a self number, because there is not a number n which added to its sum of digits gives 39137144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39137143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172 + ... + 8924.

It is an arithmetic number, because the mean of its divisors is an integer number (4594245).

Almost surely, 2^39137144 is an apocalyptic number.

It is an amenable number.

39137144 is a deficient number, since it is larger than the sum of its proper divisors (34370776).

39137144 is a wasteful number, since it uses less digits than its factorization.

39137144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390 (or 8386 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 39137144 is about 6255.9686699983. The cubic root of 39137144 is about 339.5181872129.

The spelling of 39137144 in words is "thirty-nine million, one hundred thirty-seven thousand, one hundred forty-four".