1355051380 has 24 divisors (see below), whose sum is σ = 2846495232. Its totient is φ = 541851552.

The previous prime is 1355051363. The next prime is 1355051387. The reversal of 1355051380 is 831505531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355051387) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70269 + ... + 87451.

It is an arithmetic number, because the mean of its divisors is an integer number (118603968).

Almost surely, 2^1355051380 is an apocalyptic number.

1355051380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355051380 is an abundant number, since it is smaller than the sum of its proper divisors (1491443852).

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

1355051380 is a wasteful number, since it uses less digits than its factorization.

1355051380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21135 (or 21133 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1355051380 is about 36811.0225340183. The cubic root of 1355051380 is about 1106.5862111071.

The spelling of 1355051380 in words is "one billion, three hundred fifty-five million, fifty-one thousand, three hundred eighty".