190135238 has 8 divisors (see below), whose sum is σ = 288639288. Its totient is φ = 93922144.

The previous prime is 190135237. The next prime is 190135241. The reversal of 190135238 is 832531091.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190135237) 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, 572531 + ... + 572862.

It is an arithmetic number, because the mean of its divisors is an integer number (36079911).

Almost surely, 2^190135238 is an apocalyptic number.

190135238 is a deficient number, since it is larger than the sum of its proper divisors (98504050).

190135238 is a wasteful number, since it uses less digits than its factorization.

190135238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145478.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 190135238 is about 13788.9534773310. The cubic root of 190135238 is about 575.0260736759.

The spelling of 190135238 in words is "one hundred ninety million, one hundred thirty-five thousand, two hundred thirty-eight".