1375868478 has 8 divisors (see below), whose sum is σ = 2751736968. Its totient is φ = 458622824.

The previous prime is 1375868477. The next prime is 1375868491. The reversal of 1375868478 is 8748685731.

It is a sphenic number, since it is the product of 3 distinct primes.

1375868478 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375868471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114655701 + ... + 114655712.

It is an arithmetic number, because the mean of its divisors is an integer number (343967121).

Almost surely, 2^1375868478 is an apocalyptic number.

1375868478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1375868478 is a wasteful number, since it uses less digits than its factorization.

1375868478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229311418.

The product of its digits is 9031680, while the sum is 57.

The square root of 1375868478 is about 37092.7011418689. The cubic root of 1375868478 is about 1112.2241145295.

The spelling of 1375868478 in words is "one billion, three hundred seventy-five million, eight hundred sixty-eight thousand, four hundred seventy-eight".