1329297516 has 36 divisors (see below), whose sum is σ = 3372324592. Its totient is φ = 441496224.

The previous prime is 1329297499. The next prime is 1329297533. The reversal of 1329297516 is 6157929231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1329297499) and next prime (1329297533).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56680 + ... + 76623.

Almost surely, 2^1329297516 is an apocalyptic number.

It is an amenable number.

1329297516 is an abundant number, since it is smaller than the sum of its proper divisors (2043027076).

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

1329297516 is a wasteful number, since it uses less digits than its factorization.

1329297516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133590 (or 133585 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 1329297516 is about 36459.5325806571. The cubic root of 1329297516 is about 1099.5307960332.

The spelling of 1329297516 in words is "one billion, three hundred twenty-nine million, two hundred ninety-seven thousand, five hundred sixteen".