1342187799 has 4 divisors (see below), whose sum is σ = 1789583736. Its totient is φ = 894791864.

The previous prime is 1342187783. The next prime is 1342187807. The reversal of 1342187799 is 9977812431.

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 1342187799 - 2⁴ = 1342187783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342187719) 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, 223697964 + ... + 223697969.

It is an arithmetic number, because the mean of its divisors is an integer number (447395934).

Almost surely, 2^1342187799 is an apocalyptic number.

1342187799 is a deficient number, since it is larger than the sum of its proper divisors (447395937).

1342187799 is an equidigital number, since it uses as much as digits as its factorization.

1342187799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447395936.

The product of its digits is 762048, while the sum is 51.

The square root of 1342187799 is about 36635.8813050812. The cubic root of 1342187799 is about 1103.0734429745.

The spelling of 1342187799 in words is "one billion, three hundred forty-two million, one hundred eighty-seven thousand, seven hundred ninety-nine".