1351139 has 4 divisors (see below), whose sum is σ = 1397760. Its totient is φ = 1304520.

The previous prime is 1351127. The next prime is 1351151. The reversal of 1351139 is 9311531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9311531 = 37 ⋅251663.

It is an interprime number because it is at equal distance from previous prime (1351127) and next prime (1351151).

It is a cyclic number.

It is not a de Polignac number, because 1351139 - 2⁴ = 1351123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351169) 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, 23267 + ... + 23324.

It is an arithmetic number, because the mean of its divisors is an integer number (349440).

2^1351139 is an apocalyptic number.

1351139 is a deficient number, since it is larger than the sum of its proper divisors (46621).

1351139 is an equidigital number, since it uses as much as digits as its factorization.

1351139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46620.

The product of its digits is 405, while the sum is 23.

The square root of 1351139 is about 1162.3850480800. The cubic root of 1351139 is about 110.5520185321.

The spelling of 1351139 in words is "one million, three hundred fifty-one thousand, one hundred thirty-nine".