1426188199 has 8 divisors (see below), whose sum is σ = 1465218288. Its totient is φ = 1387183680.

The previous prime is 1426188173. The next prime is 1426188227. The reversal of 1426188199 is 9918816241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1426188199 - 2⁵ = 1426188167 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 (1426188149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178539 + ... + 186355.

It is an arithmetic number, because the mean of its divisors is an integer number (183152286).

Almost surely, 2^1426188199 is an apocalyptic number.

1426188199 is a deficient number, since it is larger than the sum of its proper divisors (39030089).

1426188199 is an equidigital number, since it uses as much as digits as its factorization.

1426188199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785.

The product of its digits is 248832, while the sum is 49.

The square root of 1426188199 is about 37764.9069772454. The cubic root of 1426188199 is about 1125.6212401554.

The spelling of 1426188199 in words is "one billion, four hundred twenty-six million, one hundred eighty-eight thousand, one hundred ninety-nine".