1487138 has 8 divisors (see below), whose sum is σ = 2236188. Its totient is φ = 741744.

The previous prime is 1487131. The next prime is 1487159. The reversal of 1487138 is 8317841.

It can be written as a sum of positive squares in 2 ways, for example, as 935089 + 552049 = 967^2 + 743^2 .

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 (1487131) 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, 620 + ... + 1832.

2^1487138 is an apocalyptic number.

1487138 is a deficient number, since it is larger than the sum of its proper divisors (749050).

1487138 is a wasteful number, since it uses less digits than its factorization.

1487138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828.

The product of its digits is 5376, while the sum is 32.

The square root of 1487138 is about 1219.4826772037. The cubic root of 1487138 is about 114.1432998395.

The spelling of 1487138 in words is "one million, four hundred eighty-seven thousand, one hundred thirty-eight".