1351340 has 12 divisors (see below), whose sum is σ = 2837856. Its totient is φ = 540528.

The previous prime is 1351327. The next prime is 1351373. The reversal of 1351340 is 431531.

It is a super-2 number, since 2×1351340² = 3652239591200, which contains 22 as substring.

It is a nialpdrome in base 11.

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 in 3 ways as a sum of consecutive naturals, for example, 33764 + ... + 33803.

It is an arithmetic number, because the mean of its divisors is an integer number (236488).

2^1351340 is an apocalyptic number.

1351340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351340 is an abundant number, since it is smaller than the sum of its proper divisors (1486516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351340 is a wasteful number, since it uses less digits than its factorization.

1351340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67576 (or 67574 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1351340 is about 1162.4715050271. The cubic root of 1351340 is about 110.5575002908.

Adding to 1351340 its reverse (431531), we get a palindrome (1782871).

The spelling of 1351340 in words is "one million, three hundred fifty-one thousand, three hundred forty".