1335064921 has 8 divisors (see below), whose sum is σ = 1358285760. Its totient is φ = 1311863952.

The previous prime is 1335064897. The next prime is 1335064957. The reversal of 1335064921 is 1294605331.

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

It is a cyclic number.

It is not a de Polignac number, because 1335064921 - 2¹³ = 1335056729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1335068921) 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, 210036 + ... + 216298.

It is an arithmetic number, because the mean of its divisors is an integer number (169785720).

Almost surely, 2^1335064921 is an apocalyptic number.

It is an amenable number.

1335064921 is a deficient number, since it is larger than the sum of its proper divisors (23220839).

1335064921 is an equidigital number, since it uses as much as digits as its factorization.

1335064921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1335064921 is about 36538.5402144092. The cubic root of 1335064921 is about 1101.1186748952.

The spelling of 1335064921 in words is "one billion, three hundred thirty-five million, sixty-four thousand, nine hundred twenty-one".