190789147 has 8 divisors (see below), whose sum is σ = 202144896. Its totient is φ = 179448192.

The previous prime is 190789111. The next prime is 190789171. The reversal of 190789147 is 741987091.

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

It is not a de Polignac number, because 190789147 - 2⁷ = 190789019 is a prime.

It is a super-2 number, since 2×190789147² = 72800997225975218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190789097 and 190789106.

It is not an unprimeable number, because it can be changed into a prime (190789177) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 33813 + ... + 39049.

It is an arithmetic number, because the mean of its divisors is an integer number (25268112).

Almost surely, 2^190789147 is an apocalyptic number.

190789147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

190789147 is a deficient number, since it is larger than the sum of its proper divisors (11355749).

190789147 is a wasteful number, since it uses less digits than its factorization.

190789147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7397.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 190789147 is about 13812.6444607830. The cubic root of 190789147 is about 575.6845251548.

The spelling of 190789147 in words is "one hundred ninety million, seven hundred eighty-nine thousand, one hundred forty-seven".