1378421095 has 8 divisors (see below), whose sum is σ = 1654611264. Its totient is φ = 1102399584.

The previous prime is 1378421039. The next prime is 1378421129. The reversal of 1378421095 is 5901248731.

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

It is a cyclic number.

It is not a de Polignac number, because 1378421095 - 2²⁹ = 841550183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 23424 + ... + 57493.

It is an arithmetic number, because the mean of its divisors is an integer number (206826408).

Almost surely, 2^1378421095 is an apocalyptic number.

1378421095 is a deficient number, since it is larger than the sum of its proper divisors (276190169).

1378421095 is an equidigital number, since it uses as much as digits as its factorization.

1378421095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84329.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1378421095 is about 37127.0938130094. The cubic root of 1378421095 is about 1112.9115174982.

The spelling of 1378421095 in words is "one billion, three hundred seventy-eight million, four hundred twenty-one thousand, ninety-five".