1142976013 has 4 divisors (see below), whose sum is σ = 1146270240. Its totient is φ = 1139681788.

The previous prime is 1142976001. The next prime is 1142976017. The reversal of 1142976013 is 3106792411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142976013 - 2²¹ = 1140878861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142976013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142976017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646593 + ... + 1647286.

It is an arithmetic number, because the mean of its divisors is an integer number (286567560).

Almost surely, 2^1142976013 is an apocalyptic number.

It is an amenable number.

1142976013 is a deficient number, since it is larger than the sum of its proper divisors (3294227).

1142976013 is an equidigital number, since it uses as much as digits as its factorization.

1142976013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294226.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1142976013 is about 33807.9282565495. The cubic root of 1142976013 is about 1045.5521644088.

The spelling of 1142976013 in words is "one billion, one hundred forty-two million, nine hundred seventy-six thousand, thirteen".