1293374394 has 24 divisors (see below), whose sum is σ = 3017874132. Its totient is φ = 397961280.

The previous prime is 1293374363. The next prime is 1293374461. The reversal of 1293374394 is 4934733921.

It can be written as a sum of positive squares in 2 ways, for example, as 1259327169 + 34047225 = 35487^2 + 5835^2 .

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 2763387 + ... + 2763854.

Almost surely, 2^1293374394 is an apocalyptic number.

1293374394 is an abundant number, since it is smaller than the sum of its proper divisors (1724499738).

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

1293374394 is a wasteful number, since it uses less digits than its factorization.

1293374394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527262 (or 5527259 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 1293374394 is about 35963.5147614913. The cubic root of 1293374394 is about 1089.5355859005.

The spelling of 1293374394 in words is "one billion, two hundred ninety-three million, three hundred seventy-four thousand, three hundred ninety-four".