190086128 has 10 divisors (see below), whose sum is σ = 368291904. Its totient is φ = 95043056.

The previous prime is 190086121. The next prime is 190086133. The reversal of 190086128 is 821680091.

It is a super-2 number, since 2×190086128² = 72265472116064768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190086121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5940176 + ... + 5940207.

Almost surely, 2^190086128 is an apocalyptic number.

It is an amenable number.

190086128 is a deficient number, since it is larger than the sum of its proper divisors (178205776).

190086128 is a wasteful number, since it uses less digits than its factorization.

190086128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11880391 (or 11880385 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 190086128 is about 13787.1725890409. The cubic root of 190086128 is about 574.9765616155.

The spelling of 190086128 in words is "one hundred ninety million, eighty-six thousand, one hundred twenty-eight".