1350139 has 4 divisors (see below), whose sum is σ = 1543024. Its totient is φ = 1157256.

The previous prime is 1350133. The next prime is 1350187. The reversal of 1350139 is 9310531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9310531 = 443 ⋅21017.

It is a cyclic number.

It is not a de Polignac number, because 1350139 - 2¹³ = 1341947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1350133) 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, 96432 + ... + 96445.

It is an arithmetic number, because the mean of its divisors is an integer number (385756).

2^1350139 is an apocalyptic number.

1350139 is a deficient number, since it is larger than the sum of its proper divisors (192885).

1350139 is an equidigital number, since it uses as much as digits as its factorization.

1350139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192884.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 1350139 is about 1161.9548183987. The cubic root of 1350139 is about 110.5247380170.

The spelling of 1350139 in words is "one million, three hundred fifty thousand, one hundred thirty-nine".