1355289888 has 48 divisors (see below), whose sum is σ = 3559774176. Its totient is φ = 451491840.

The previous prime is 1355289863. The next prime is 1355289889. The reversal of 1355289888 is 8889825531.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1355289889) 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, 215103 + ... + 221313.

It is an arithmetic number, because the mean of its divisors is an integer number (74161962).

Almost surely, 2^1355289888 is an apocalyptic number.

It is an amenable number.

1355289888 is an abundant number, since it is smaller than the sum of its proper divisors (2204484288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355289888 is a wasteful number, since it uses less digits than its factorization.

1355289888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8497 (or 8489 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 57.

The square root of 1355289888 is about 36814.2620189513. The cubic root of 1355289888 is about 1106.6511321830.

The spelling of 1355289888 in words is "one billion, three hundred fifty-five million, two hundred eighty-nine thousand, eight hundred eighty-eight".