1045094013 has 12 divisors (see below), whose sum is σ = 1513465980. Its totient is φ = 694935936.

The previous prime is 1045094003. The next prime is 1045094047. The reversal of 1045094013 is 3104905401.

1045094013 is a `hidden beast` number, since 104 + 509 + 40 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 421193529 + 623900484 = 20523^2 + 24978^2 .

It is not a de Polignac number, because 1045094013 - 2⁴ = 1045093997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045094003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145756 + ... + 152757.

It is an arithmetic number, because the mean of its divisors is an integer number (126122165).

Almost surely, 2^1045094013 is an apocalyptic number.

It is an amenable number.

1045094013 is a deficient number, since it is larger than the sum of its proper divisors (468371967).

1045094013 is a wasteful number, since it uses less digits than its factorization.

1045094013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298908 (or 298905 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1045094013 is about 32327.9138361881. The cubic root of 1045094013 is about 1014.8108921553.

Adding to 1045094013 its reverse (3104905401), we get a palindrome (4149999414).

The spelling of 1045094013 in words is "one billion, forty-five million, ninety-four thousand, thirteen".