1393785122 has 8 divisors (see below), whose sum is σ = 2107140096. Its totient is φ = 691405092.

The previous prime is 1393785091. The next prime is 1393785139. The reversal of 1393785122 is 2215873931.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1393785122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2743418 + ... + 2743925.

It is an arithmetic number, because the mean of its divisors is an integer number (263392512).

Almost surely, 2^1393785122 is an apocalyptic number.

1393785122 is a deficient number, since it is larger than the sum of its proper divisors (713354974).

1393785122 is a wasteful number, since it uses less digits than its factorization.

1393785122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487472.

The product of its digits is 90720, while the sum is 41.

The square root of 1393785122 is about 37333.4316933228. The cubic root of 1393785122 is about 1117.0311257462.

The spelling of 1393785122 in words is "one billion, three hundred ninety-three million, seven hundred eighty-five thousand, one hundred twenty-two".