1378085354 has 8 divisors (see below), whose sum is σ = 2092033440. Its totient is φ = 680740876.

The previous prime is 1378085327. The next prime is 1378085381. The reversal of 1378085354 is 4535808731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1378085327) and next prime (1378085381).

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4150694 + ... + 4151025.

It is an arithmetic number, because the mean of its divisors is an integer number (261504180).

Almost surely, 2^1378085354 is an apocalyptic number.

1378085354 is a deficient number, since it is larger than the sum of its proper divisors (713948086).

1378085354 is an equidigital number, since it uses as much as digits as its factorization.

1378085354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8301804.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 1378085354 is about 37122.5720283495. The cubic root of 1378085354 is about 1112.8211531512.

The spelling of 1378085354 in words is "one billion, three hundred seventy-eight million, eighty-five thousand, three hundred fifty-four".