190514728 has 8 divisors (see below), whose sum is σ = 357215130. Its totient is φ = 95257360.

The previous prime is 190514719. The next prime is 190514749. The reversal of 190514728 is 827415091.

It can be written as a sum of positive squares in only one way, i.e., 117548964 + 72965764 = 10842^2 + 8542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11907163 + ... + 11907178.

Almost surely, 2^190514728 is an apocalyptic number.

It is an amenable number.

190514728 is a deficient number, since it is larger than the sum of its proper divisors (166700402).

190514728 is a wasteful number, since it uses less digits than its factorization.

190514728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23814347 (or 23814343 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 190514728 is about 13802.7072706770. The cubic root of 190514728 is about 575.4083833564.

The spelling of 190514728 in words is "one hundred ninety million, five hundred fourteen thousand, seven hundred twenty-eight".