190128130 has 8 divisors (see below), whose sum is σ = 342230652. Its totient is φ = 76051248.

The previous prime is 190128101. The next prime is 190128139. The reversal of 190128130 is 31821091.

It can be written as a sum of positive squares in 2 ways, for example, as 189860841 + 267289 = 13779^2 + 517^2 .

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

It is a super-2 number, since 2×190128130² = 72297411634593800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190128095 and 190128104.

It is not an unprimeable number, because it can be changed into a prime (190128139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9506397 + ... + 9506416.

Almost surely, 2^190128130 is an apocalyptic number.

190128130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190128130 is a deficient number, since it is larger than the sum of its proper divisors (152102522).

190128130 is a wasteful number, since it uses less digits than its factorization.

190128130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19012820.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 190128130 is about 13788.6957323744. The cubic root of 190128130 is about 575.0189080109.

The spelling of 190128130 in words is "one hundred ninety million, one hundred twenty-eight thousand, one hundred thirty".