1320646153 has 8 divisors (see below), whose sum is σ = 1333886400. Its totient is φ = 1307464560.

The previous prime is 1320646133. The next prime is 1320646181. The reversal of 1320646153 is 3516460231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320646153 is a prime.

It is a super-2 number, since 2×1320646153² = 3488212522867398818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320646123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31308 + ... + 60178.

It is an arithmetic number, because the mean of its divisors is an integer number (166735800).

Almost surely, 2^1320646153 is an apocalyptic number.

It is an amenable number.

1320646153 is a deficient number, since it is larger than the sum of its proper divisors (13240247).

1320646153 is a wasteful number, since it uses less digits than its factorization.

1320646153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29327.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1320646153 is about 36340.6955492049. The cubic root of 1320646153 is about 1097.1402724101.

The spelling of 1320646153 in words is "one billion, three hundred twenty million, six hundred forty-six thousand, one hundred fifty-three".