1438137 has 6 divisors (see below), whose sum is σ = 2077322. Its totient is φ = 958752.

The previous prime is 1438123. The next prime is 1438159. The reversal of 1438137 is 7318341.

It can be written as a sum of positive squares in only one way, i.e., 767376 + 670761 = 876^2 + 819^2 .

It is not a de Polignac number, because 1438137 - 2⁷ = 1438009 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 1438137.

It is not an unprimeable number, because it can be changed into a prime (1438117) 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 5 ways as a sum of consecutive naturals, for example, 79888 + ... + 79905.

2^1438137 is an apocalyptic number.

It is an amenable number.

1438137 is a deficient number, since it is larger than the sum of its proper divisors (639185).

1438137 is a wasteful number, since it uses less digits than its factorization.

1438137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159799 (or 159796 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1438137 is about 1199.2234987691. The cubic root of 1438137 is about 112.8756038348.

The spelling of 1438137 in words is "one million, four hundred thirty-eight thousand, one hundred thirty-seven".