190887141 has 4 divisors (see below), whose sum is σ = 254516192. Its totient is φ = 127258092.

The previous prime is 190887131. The next prime is 190887187. The reversal of 190887141 is 141788091.

190887141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 190887141 - 2²⁵ = 157332709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190887141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190887131) 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, 31814521 + ... + 31814526.

It is an arithmetic number, because the mean of its divisors is an integer number (63629048).

Almost surely, 2^190887141 is an apocalyptic number.

It is an amenable number.

190887141 is a deficient number, since it is larger than the sum of its proper divisors (63629051).

190887141 is an equidigital number, since it uses as much as digits as its factorization.

190887141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63629050.

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 190887141 is about 13816.1912624283. The cubic root of 190887141 is about 575.7830701970.

The spelling of 190887141 in words is "one hundred ninety million, eight hundred eighty-seven thousand, one hundred forty-one".