1388383194 has 32 divisors (see below), whose sum is σ = 3030782976. Its totient is φ = 420502320.

The previous prime is 1388383193. The next prime is 1388383253. The reversal of 1388383194 is 4913838831.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1388383193) 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, 158559 + ... + 167085.

It is an arithmetic number, because the mean of its divisors is an integer number (94711968).

Almost surely, 2^1388383194 is an apocalyptic number.

1388383194 is an abundant number, since it is smaller than the sum of its proper divisors (1642399782).

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

1388383194 is a wasteful number, since it uses less digits than its factorization.

1388383194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010.

The product of its digits is 497664, while the sum is 48.

The square root of 1388383194 is about 37261.0143984299. The cubic root of 1388383194 is about 1115.5861555040.

The spelling of 1388383194 in words is "one billion, three hundred eighty-eight million, three hundred eighty-three thousand, one hundred ninety-four".