1484139 has 4 divisors (see below), whose sum is σ = 1978856. Its totient is φ = 989424.

The previous prime is 1484137. The next prime is 1484141. The reversal of 1484139 is 9314841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1484137) and next prime (1484141).

It is not a de Polignac number, because 1484139 - 2¹ = 1484137 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

1484139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1484137) 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, 247354 + ... + 247359.

It is an arithmetic number, because the mean of its divisors is an integer number (494714).

2^1484139 is an apocalyptic number.

1484139 is a deficient number, since it is larger than the sum of its proper divisors (494717).

1484139 is an equidigital number, since it uses as much as digits as its factorization.

1484139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494716.

The product of its digits is 3456, while the sum is 30.

The square root of 1484139 is about 1218.2524368948. The cubic root of 1484139 is about 114.0665201185.

The spelling of 1484139 in words is "one million, four hundred eighty-four thousand, one hundred thirty-nine".