1013398194 has 16 divisors (see below), whose sum is σ = 2055343680. Its totient is φ = 333041520.

The previous prime is 1013398187. The next prime is 1013398223. The reversal of 1013398194 is 4918933101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189009 + ... + 1189860.

It is an arithmetic number, because the mean of its divisors is an integer number (128458980).

Almost surely, 2^1013398194 is an apocalyptic number.

1013398194 is an abundant number, since it is smaller than the sum of its proper divisors (1041945486).

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

1013398194 is a wasteful number, since it uses less digits than its factorization.

1013398194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378945.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1013398194 is about 31833.9157817570. The cubic root of 1013398194 is about 1004.4462660847.

The spelling of 1013398194 in words is "one billion, thirteen million, three hundred ninety-eight thousand, one hundred ninety-four".