1294137066 has 8 divisors (see below), whose sum is σ = 2588274144. Its totient is φ = 431379020.

The previous prime is 1294137059. The next prime is 1294137071. The reversal of 1294137066 is 6607314921.

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

1294137066 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 107844750 + ... + 107844761.

It is an arithmetic number, because the mean of its divisors is an integer number (323534268).

Almost surely, 2^1294137066 is an apocalyptic number.

1294137066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1294137066 is a wasteful number, since it uses less digits than its factorization.

1294137066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215689516.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1294137066 is about 35974.1166118086. The cubic root of 1294137066 is about 1089.7497015269.

The spelling of 1294137066 in words is "one billion, two hundred ninety-four million, one hundred thirty-seven thousand, sixty-six".