1338857342 has 8 divisors (see below), whose sum is σ = 2010303336. Its totient is φ = 668756232.

The previous prime is 1338857309. The next prime is 1338857353. The reversal of 1338857342 is 2437588331.

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

It is a super-3 number, since 3×1338857342³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1338857293 and 1338857302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333728 + ... + 337715.

It is an arithmetic number, because the mean of its divisors is an integer number (251287917).

Almost surely, 2^1338857342 is an apocalyptic number.

1338857342 is a deficient number, since it is larger than the sum of its proper divisors (671445994).

1338857342 is an equidigital number, since it uses as much as digits as its factorization.

1338857342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672442.

The product of its digits is 483840, while the sum is 44.

The square root of 1338857342 is about 36590.3995878700. The cubic root of 1338857342 is about 1102.1603115691.

The spelling of 1338857342 in words is "one billion, three hundred thirty-eight million, eight hundred fifty-seven thousand, three hundred forty-two".