1355421300 has 72 divisors (see below), whose sum is σ = 3947788992. Its totient is φ = 359040000.

The previous prime is 1355421293. The next prime is 1355421367. The reversal of 1355421300 is 31245531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30340 + ... + 60260.

Almost surely, 2^1355421300 is an apocalyptic number.

1355421300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355421300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973894496).

1355421300 is an abundant number, since it is smaller than the sum of its proper divisors (2592367692).

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

1355421300 is a wasteful number, since it uses less digits than its factorization.

1355421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30089 (or 30082 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1355421300 is about 36816.0467731124. The cubic root of 1355421300 is about 1106.6868988334.

Adding to 1355421300 its reverse (31245531), we get a palindrome (1386666831).

The spelling of 1355421300 in words is "one billion, three hundred fifty-five million, four hundred twenty-one thousand, three hundred".