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1342 = 21161

1342 has 8 divisors (see below), whose sum is σ = 2232. Its totient is φ = 600.

The previous prime is 1327. The next prime is 1361. The reversal of 1342 is 2431.

1342 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a lonely number, since its distance to closest prime (1327) sets a new record.

1342 is an undulating number in base 11.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

1342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9 + ... + 52.

It is an arithmetic number, because the mean of its divisors is an integer number (279).

1342 is a deficient number, since it is larger than the sum of its proper divisors (890).

1342 is a wasteful number, since it uses less digits than its factorization.

1342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74.

The product of its digits is 24, while the sum is 10.

The square root of 1342 is about 36.6333181680. The cubic root of 1342 is about 11.0302199321.

Adding to 1342 its reverse (2431), we get a palindrome (3773).

Subtracting 1342 from its reverse (2431), we obtain a square (1089 = 332).

It can be divided in two parts, 134 and 2, that added together give a triangular number (136 = T16).

The spelling of 1342 in words is "one thousand, three hundred forty-two", and thus it is an iban number.

Divisors: 1 2 11 22 61 122 671 1342