1356142 has 8 divisors (see below), whose sum is σ = 2039832. Its totient is φ = 676200.

The previous prime is 1356133. The next prime is 1356143. The reversal of 1356142 is 2416531.

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

It is a super-2 number, since 2×1356142² = 3678242248328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356143) 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 3 ways as a sum of consecutive naturals, for example, 292 + ... + 1672.

It is an arithmetic number, because the mean of its divisors is an integer number (254979).

2^1356142 is an apocalyptic number.

1356142 is a deficient number, since it is larger than the sum of its proper divisors (683690).

1356142 is a wasteful number, since it uses less digits than its factorization.

1356142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874.

The product of its digits is 720, while the sum is 22.

The square root of 1356142 is about 1164.5351003727. The cubic root of 1356142 is about 110.6883012009.

The spelling of 1356142 in words is "one million, three hundred fifty-six thousand, one hundred forty-two".