189514000378 has 16 divisors (see below), whose sum is σ = 290343369600. Its totient is φ = 92733211296.

The previous prime is 189514000337. The next prime is 189514000391. The reversal of 189514000378 is 873000415981.

It is a happy number.

189514000378 is a nontrivial binomial coefficient, being equal to C(615653, 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154350 + ... + 1308262.

It is an arithmetic number, because the mean of its divisors is an integer number (18146460600).

Almost surely, 2^189514000378 is an apocalyptic number.

189514000378 is the 615652-nd triangular number.

189514000378 is the 205218-th centered nonagonal number.

189514000378 is a deficient number, since it is larger than the sum of its proper divisors (100829369222).

189514000378 is a wasteful number, since it uses less digits than its factorization.

189514000378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167061.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 189514000378 in words is "one hundred eighty-nine billion, five hundred fourteen million, three hundred seventy-eight", and thus it is an aban number.