1355598140 has 24 divisors (see below), whose sum is σ = 3065737920. Its totient is φ = 500528448.

The previous prime is 1355598137. The next prime is 1355598143. The reversal of 1355598140 is 418955531.

It is an interprime number because it is at equal distance from previous prime (1355598137) and next prime (1355598143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355598143) 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, 2606660 + ... + 2607179.

It is an arithmetic number, because the mean of its divisors is an integer number (127739080).

Almost surely, 2^1355598140 is an apocalyptic number.

1355598140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355598140 is an abundant number, since it is smaller than the sum of its proper divisors (1710139780).

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

1355598140 is a wasteful number, since it uses less digits than its factorization.

1355598140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213861 (or 5213859 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 1355598140 is about 36818.4483649162. The cubic root of 1355598140 is about 1106.7350260591.

The spelling of 1355598140 in words is "one billion, three hundred fifty-five million, five hundred ninety-eight thousand, one hundred forty".