1350840678 has 16 divisors (see below), whose sum is σ = 2947288896. Its totient is φ = 409345640.

The previous prime is 1350840661. The next prime is 1350840679. The reversal of 1350840678 is 8760480531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350840679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10233576 + ... + 10233707.

It is an arithmetic number, because the mean of its divisors is an integer number (184205556).

Almost surely, 2^1350840678 is an apocalyptic number.

1350840678 is an abundant number, since it is smaller than the sum of its proper divisors (1596448218).

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

1350840678 is a wasteful number, since it uses less digits than its factorization.

1350840678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20467299.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1350840678 is about 36753.7845398266. The cubic root of 1350840678 is about 1105.4388156349.

The spelling of 1350840678 in words is "one billion, three hundred fifty million, eight hundred forty thousand, six hundred seventy-eight".