1330140021 has 16 divisors (see below), whose sum is σ = 2030052864. Its totient is φ = 758890224.

The previous prime is 1330140001. The next prime is 1330140023. The reversal of 1330140021 is 1200410331.

It is not a de Polignac number, because 1330140021 - 2⁶ = 1330139957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330140023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35751 + ... + 62756.

It is an arithmetic number, because the mean of its divisors is an integer number (126878304).

Almost surely, 2^1330140021 is an apocalyptic number.

It is an amenable number.

1330140021 is a deficient number, since it is larger than the sum of its proper divisors (699912843).

1330140021 is an equidigital number, since it uses as much as digits as its factorization.

1330140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99160.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1330140021 is about 36471.0847247515. The cubic root of 1330140021 is about 1099.7630401428.

Adding to 1330140021 its reverse (1200410331), we get a palindrome (2530550352).

The spelling of 1330140021 in words is "one billion, three hundred thirty million, one hundred forty thousand, twenty-one".