1468139 has 4 divisors (see below), whose sum is σ = 1499424. Its totient is φ = 1436856.

The previous prime is 1468109. The next prime is 1468163. The reversal of 1468139 is 9318641.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1468139 - 2¹⁶ = 1402603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1468109) 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 3 ways as a sum of consecutive naturals, for example, 15572 + ... + 15665.

It is an arithmetic number, because the mean of its divisors is an integer number (374856).

2^1468139 is an apocalyptic number.

1468139 is a deficient number, since it is larger than the sum of its proper divisors (31285).

1468139 is an equidigital number, since it uses as much as digits as its factorization.

1468139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31284.

The product of its digits is 5184, while the sum is 32.

The square root of 1468139 is about 1211.6678587798. The cubic root of 1468139 is about 113.6551340436.

The spelling of 1468139 in words is "one million, four hundred sixty-eight thousand, one hundred thirty-nine".