1394073340 has 24 divisors (see below), whose sum is σ = 3193695792. Its totient is φ = 506935680.

The previous prime is 1394073323. The next prime is 1394073341. The reversal of 1394073340 is 433704931.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1394073296 and 1394073305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394073341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168129 + ... + 3168568.

It is an arithmetic number, because the mean of its divisors is an integer number (133070658).

Almost surely, 2^1394073340 is an apocalyptic number.

1394073340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1394073340 is an abundant number, since it is smaller than the sum of its proper divisors (1799622452).

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

1394073340 is a wasteful number, since it uses less digits than its factorization.

1394073340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336717 (or 6336715 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 1394073340 is about 37337.2915461205. The cubic root of 1394073340 is about 1117.1081166402.

The spelling of 1394073340 in words is "one billion, three hundred ninety-four million, seventy-three thousand, three hundred forty".