1329640614 has 12 divisors (see below), whose sum is σ = 2880888036. Its totient is φ = 443213532.

The previous prime is 1329640591. The next prime is 1329640651. The reversal of 1329640614 is 4160469231.

1329640614 is a `hidden beast` number, since 1 + 3 + 2 + 9 + 640 + 6 + 1 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36934444 + ... + 36934479.

It is an arithmetic number, because the mean of its divisors is an integer number (240074003).

Almost surely, 2^1329640614 is an apocalyptic number.

1329640614 is an abundant number, since it is smaller than the sum of its proper divisors (1551247422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1329640614 is a wasteful number, since it uses less digits than its factorization.

1329640614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73868931 (or 73868928 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1329640614 is about 36464.2374663176. The cubic root of 1329640614 is about 1099.6253859352.

The spelling of 1329640614 in words is "one billion, three hundred twenty-nine million, six hundred forty thousand, six hundred fourteen".