1213734294 has 40 divisors (see below), whose sum is σ = 2721707208. Its totient is φ = 404274240.

The previous prime is 1213734283. The next prime is 1213734317. The reversal of 1213734294 is 4924373121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 348349 + ... + 351815.

Almost surely, 2^1213734294 is an apocalyptic number.

1213734294 is an abundant number, since it is smaller than the sum of its proper divisors (1507972914).

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

1213734294 is a wasteful number, since it uses less digits than its factorization.

1213734294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642 (or 5633 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 1213734294 is about 34838.6896137039. The cubic root of 1213734294 is about 1066.6973291750.

The spelling of 1213734294 in words is "one billion, two hundred thirteen million, seven hundred thirty-four thousand, two hundred ninety-four".