1829139194 has 4 divisors (see below), whose sum is σ = 2743708794. Its totient is φ = 914569596.

The previous prime is 1829139187. The next prime is 1829139223. The reversal of 1829139194 is 4919319281.

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

It can be written as a sum of positive squares in only one way, i.e., 1465741225 + 363397969 = 38285^2 + 19063^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457284797 + ... + 457284800.

Almost surely, 2^1829139194 is an apocalyptic number.

1829139194 is a deficient number, since it is larger than the sum of its proper divisors (914569600).

1829139194 is an equidigital number, since it uses as much as digits as its factorization.

1829139194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914569599.

The product of its digits is 139968, while the sum is 47.

The square root of 1829139194 is about 42768.4368898373. The cubic root of 1829139194 is about 1222.9693847306.

The spelling of 1829139194 in words is "one billion, eight hundred twenty-nine million, one hundred thirty-nine thousand, one hundred ninety-four".