1142313379 has 4 divisors (see below), whose sum is σ = 1143036576. Its totient is φ = 1141590184.

The previous prime is 1142313373. The next prime is 1142313397. The reversal of 1142313379 is 9733132411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142313379 - 2³ = 1142313371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142313371) 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, 359224 + ... + 362389.

It is an arithmetic number, because the mean of its divisors is an integer number (285759144).

Almost surely, 2^1142313379 is an apocalyptic number.

1142313379 is a deficient number, since it is larger than the sum of its proper divisors (723197).

1142313379 is an equidigital number, since it uses as much as digits as its factorization.

1142313379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723196.

The product of its digits is 13608, while the sum is 34.

The square root of 1142313379 is about 33798.1268563807. The cubic root of 1142313379 is about 1045.3500743287.

The spelling of 1142313379 in words is "one billion, one hundred forty-two million, three hundred thirteen thousand, three hundred seventy-nine".