1363142842 has 4 divisors (see below), whose sum is σ = 2044714266. Its totient is φ = 681571420.

The previous prime is 1363142831. The next prime is 1363142861. The reversal of 1363142842 is 2482413631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2482413631 = 19 ⋅130653349.

It can be written as a sum of positive squares in only one way, i.e., 736091161 + 627051681 = 27131^2 + 25041^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1363142798 and 1363142807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340785709 + ... + 340785712.

Almost surely, 2^1363142842 is an apocalyptic number.

1363142842 is a deficient number, since it is larger than the sum of its proper divisors (681571424).

1363142842 is an equidigital number, since it uses as much as digits as its factorization.

1363142842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681571423.

The product of its digits is 27648, while the sum is 34.

The square root of 1363142842 is about 36920.7643745359. The cubic root of 1363142842 is about 1108.7844394204.

The spelling of 1363142842 in words is "one billion, three hundred sixty-three million, one hundred forty-two thousand, eight hundred forty-two".