1142430013 has 4 divisors (see below), whose sum is σ = 1154207740. Its totient is φ = 1130652288.

The previous prime is 1142430001. The next prime is 1142430017. The reversal of 1142430013 is 3100342411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 437102649 + 705327364 = 20907^2 + 26558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142430013 - 2¹³ = 1142421821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142430017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5888718 + ... + 5888911.

It is an arithmetic number, because the mean of its divisors is an integer number (288551935).

Almost surely, 2^1142430013 is an apocalyptic number.

It is an amenable number.

1142430013 is a deficient number, since it is larger than the sum of its proper divisors (11777727).

1142430013 is an equidigital number, since it uses as much as digits as its factorization.

1142430013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11777726.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1142430013 is about 33799.8522629907. The cubic root of 1142430013 is about 1045.3856510258.

Adding to 1142430013 its reverse (3100342411), we get a palindrome (4242772424).

The spelling of 1142430013 in words is "one billion, one hundred forty-two million, four hundred thirty thousand, thirteen".