1329145937 has 8 divisors (see below), whose sum is σ = 1525545216. Its totient is φ = 1134376992.

The previous prime is 1329145907. The next prime is 1329145949. The reversal of 1329145937 is 7395419231.

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

It is not a de Polignac number, because 1329145937 - 2¹² = 1329141841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1329145907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405833 + ... + 409094.

It is an arithmetic number, because the mean of its divisors is an integer number (190693152).

Almost surely, 2^1329145937 is an apocalyptic number.

It is an amenable number.

1329145937 is a deficient number, since it is larger than the sum of its proper divisors (196399279).

1329145937 is an equidigital number, since it uses as much as digits as its factorization.

1329145937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815167.

The product of its digits is 204120, while the sum is 44.

The square root of 1329145937 is about 36457.4537920574. The cubic root of 1329145937 is about 1099.4890014984.

The spelling of 1329145937 in words is "one billion, three hundred twenty-nine million, one hundred forty-five thousand, nine hundred thirty-seven".