190597137 has 8 divisors (see below), whose sum is σ = 254200704. Its totient is φ = 127029168.

The previous prime is 190597129. The next prime is 190597171. The reversal of 190597137 is 731795091.

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

It is not a de Polignac number, because 190597137 - 2³ = 190597129 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (190597117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8403 + ... + 21255.

It is an arithmetic number, because the mean of its divisors is an integer number (31775088).

Almost surely, 2^190597137 is an apocalyptic number.

It is an amenable number.

190597137 is a deficient number, since it is larger than the sum of its proper divisors (63603567).

190597137 is a wasteful number, since it uses less digits than its factorization.

190597137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17799.

The product of its (nonzero) digits is 59535, while the sum is 42.

The square root of 190597137 is about 13805.6921956126. The cubic root of 190597137 is about 575.4913375623.

The spelling of 190597137 in words is "one hundred ninety million, five hundred ninety-seven thousand, one hundred thirty-seven".