1368321442 has 32 divisors (see below), whose sum is σ = 2242713600. Its totient is φ = 623645568.

The previous prime is 1368321433. The next prime is 1368321467. The reversal of 1368321442 is 2441238631.

It is a junction number, because it is equal to n+sod(n) for n = 1368321398 and 1368321407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342943 + ... + 346909.

It is an arithmetic number, because the mean of its divisors is an integer number (70084800).

Almost surely, 2^1368321442 is an apocalyptic number.

1368321442 is a deficient number, since it is larger than the sum of its proper divisors (874392158).

1368321442 is a wasteful number, since it uses less digits than its factorization.

1368321442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330.

The product of its digits is 27648, while the sum is 34.

The square root of 1368321442 is about 36990.8291607528. The cubic root of 1368321442 is about 1110.1867613137.

The spelling of 1368321442 in words is "one billion, three hundred sixty-eight million, three hundred twenty-one thousand, four hundred forty-two".