1343878540 has 24 divisors (see below), whose sum is σ = 2823104592. Its totient is φ = 537368640.

The previous prime is 1343878537. The next prime is 1343878561. The reversal of 1343878540 is 458783431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59650 + ... + 79030.

It is an arithmetic number, because the mean of its divisors is an integer number (117629358).

Almost surely, 2^1343878540 is an apocalyptic number.

1343878540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343878540 is an abundant number, since it is smaller than the sum of its proper divisors (1479226052).

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

1343878540 is a wasteful number, since it uses less digits than its factorization.

1343878540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22857 (or 22855 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 1343878540 is about 36658.9489756594. The cubic root of 1343878540 is about 1103.5364256094.

The spelling of 1343878540 in words is "one billion, three hundred forty-three million, eight hundred seventy-eight thousand, five hundred forty".