1328053155 has 32 divisors (see below), whose sum is σ = 2496372480. Its totient is φ = 594372480.

The previous prime is 1328053147. The next prime is 1328053169. The reversal of 1328053155 is 5513508231.

It is not a de Polignac number, because 1328053155 - 2³ = 1328053147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 307425 + ... + 311714.

It is an arithmetic number, because the mean of its divisors is an integer number (78011640).

Almost surely, 2^1328053155 is an apocalyptic number.

1328053155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1328053155 is a deficient number, since it is larger than the sum of its proper divisors (1168319325).

1328053155 is a wasteful number, since it uses less digits than its factorization.

1328053155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619171.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1328053155 is about 36442.4636241844. The cubic root of 1328053155 is about 1099.1875971188.

The spelling of 1328053155 in words is "one billion, three hundred twenty-eight million, fifty-three thousand, one hundred fifty-five".