190534 has 4 divisors (see below), whose sum is σ = 285804. Its totient is φ = 95266.

The previous prime is 190529. The next prime is 190537. The reversal of 190534 is 435091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435091 = 23 ⋅18917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47632 + ... + 47635.

It is an arithmetic number, because the mean of its divisors is an integer number (71451).

2¹⁹⁰⁵³⁴ is an apocalyptic number.

190534 is a deficient number, since it is larger than the sum of its proper divisors (95270).

190534 is an equidigital number, since it uses as much as digits as its factorization.

190534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95269.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 190534 is about 436.5020045773. The cubic root of 190534 is about 57.5427785000.

The spelling of 190534 in words is "one hundred ninety thousand, five hundred thirty-four".