1351438 has 16 divisors (see below), whose sum is σ = 2260224. Its totient is φ = 600760.

The previous prime is 1351423. The next prime is 1351439. The reversal of 1351438 is 8341531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351439) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 381 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (141264).

2^1351438 is an apocalyptic number.

1351438 is a deficient number, since it is larger than the sum of its proper divisors (908786).

1351438 is a wasteful number, since it uses less digits than its factorization.

1351438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367.

The product of its digits is 1440, while the sum is 25.

The square root of 1351438 is about 1162.5136558338. The cubic root of 1351438 is about 110.5601727919.

Adding to 1351438 its reverse (8341531), we get a palindrome (9692969).

The spelling of 1351438 in words is "one million, three hundred fifty-one thousand, four hundred thirty-eight".