1351138 has 4 divisors (see below), whose sum is σ = 2026710. Its totient is φ = 675568.

The previous prime is 1351127. The next prime is 1351151. The reversal of 1351138 is 8311531.

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

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 199809 = 1073^2 + 447^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337783 + ... + 337786.

2^1351138 is an apocalyptic number.

1351138 is a deficient number, since it is larger than the sum of its proper divisors (675572).

1351138 is an equidigital number, since it uses as much as digits as its factorization.

1351138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675571.

The product of its digits is 360, while the sum is 22.

The square root of 1351138 is about 1162.3846179299. The cubic root of 1351138 is about 110.5519912583.

Adding to 1351138 its reverse (8311531), we get a palindrome (9662669).

The spelling of 1351138 in words is "one million, three hundred fifty-one thousand, one hundred thirty-eight".