190840535 has 8 divisors (see below), whose sum is σ = 229837056. Its totient is φ = 152120160.

The previous prime is 190840519. The next prime is 190840547. The reversal of 190840535 is 535048091.

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

It is not a de Polignac number, because 190840535 - 2⁴ = 190840519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190840495 and 190840504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67511 + ... + 70280.

It is an arithmetic number, because the mean of its divisors is an integer number (28729632).

Almost surely, 2^190840535 is an apocalyptic number.

190840535 is a deficient number, since it is larger than the sum of its proper divisors (38996521).

190840535 is a wasteful number, since it uses less digits than its factorization.

190840535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138073.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 190840535 is about 13814.5045151826. The cubic root of 190840535 is about 575.7362063278.

The spelling of 190840535 in words is "one hundred ninety million, eight hundred forty thousand, five hundred thirty-five".