1942134819 has 8 divisors (see below), whose sum is σ = 2592602880. Its totient is φ = 1293211656.

The previous prime is 1942134811. The next prime is 1942134823. The reversal of 1942134819 is 9184312491.

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

It is not a de Polignac number, because 1942134819 - 2³ = 1942134811 is a prime.

It is a super-2 number, since 2×1942134819² = 7543775310344325522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1942134811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383287 + ... + 388320.

It is an arithmetic number, because the mean of its divisors is an integer number (324075360).

Almost surely, 2^1942134819 is an apocalyptic number.

1942134819 is a deficient number, since it is larger than the sum of its proper divisors (650468061).

1942134819 is an equidigital number, since it uses as much as digits as its factorization.

1942134819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772449.

The product of its digits is 62208, while the sum is 42.

The square root of 1942134819 is about 44069.6587120890. The cubic root of 1942134819 is about 1247.6510166401.

The spelling of 1942134819 in words is "one billion, nine hundred forty-two million, one hundred thirty-four thousand, eight hundred nineteen".