1332739647 has 6 divisors (see below), whose sum is σ = 1925068392. Its totient is φ = 888493092.

The previous prime is 1332739627. The next prime is 1332739649. The reversal of 1332739647 is 7469372331.

It is a happy number.

It is not a de Polignac number, because 1332739647 - 2⁸ = 1332739391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332739649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74041083 + ... + 74041100.

It is an arithmetic number, because the mean of its divisors is an integer number (320844732).

Almost surely, 2^1332739647 is an apocalyptic number.

1332739647 is a deficient number, since it is larger than the sum of its proper divisors (592328745).

1332739647 is a wasteful number, since it uses less digits than its factorization.

1332739647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148082189 (or 148082186 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 1332739647 is about 36506.7068769562. The cubic root of 1332739647 is about 1100.4790329561.

The spelling of 1332739647 in words is "one billion, three hundred thirty-two million, seven hundred thirty-nine thousand, six hundred forty-seven".