1339366642 has 8 divisors (see below), whose sum is σ = 2009213676. Its totient is φ = 669628752.

The previous prime is 1339366631. The next prime is 1339366673. The reversal of 1339366642 is 2466639331.

It can be written as a sum of positive squares in 2 ways, for example, as 1252522881 + 86843761 = 35391^2 + 9319^2 .

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

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, 19308 + ... + 55240.

Almost surely, 2^1339366642 is an apocalyptic number.

1339366642 is a deficient number, since it is larger than the sum of its proper divisors (669847034).

1339366642 is a wasteful number, since it uses less digits than its factorization.

1339366642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54572.

The product of its digits is 419904, while the sum is 43.

The square root of 1339366642 is about 36597.3584019393. The cubic root of 1339366642 is about 1102.3000474139.

The spelling of 1339366642 in words is "one billion, three hundred thirty-nine million, three hundred sixty-six thousand, six hundred forty-two".