1378195098 has 32 divisors (see below), whose sum is σ = 3287126016. Its totient is φ = 376649328.

The previous prime is 1378195097. The next prime is 1378195099. The reversal of 1378195098 is 8905918731.

It is an interprime number because it is at equal distance from previous prime (1378195097) and next prime (1378195099).

It is a self number, because there is not a number n which added to its sum of digits gives 1378195098.

It is not an unprimeable number, because it can be changed into a prime (1378195097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712386 + ... + 714317.

It is an arithmetic number, because the mean of its divisors is an integer number (102722688).

Almost surely, 2^1378195098 is an apocalyptic number.

1378195098 is an abundant number, since it is smaller than the sum of its proper divisors (1908930918).

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

1378195098 is a wasteful number, since it uses less digits than its factorization.

1378195098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426738.

The product of its (nonzero) digits is 544320, while the sum is 51.

The square root of 1378195098 is about 37124.0501292626. The cubic root of 1378195098 is about 1112.8506922511.

The spelling of 1378195098 in words is "one billion, three hundred seventy-eight million, one hundred ninety-five thousand, ninety-eight".