189195754 has 16 divisors (see below), whose sum is σ = 327805056. Its totient is φ = 80939200.

The previous prime is 189195733. The next prime is 189195793. The reversal of 189195754 is 457591981.

It is a junction number, because it is equal to n+sod(n) for n = 189195698 and 189195707.

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, 252562 + ... + 253309.

It is an arithmetic number, because the mean of its divisors is an integer number (20487816).

Almost surely, 2^189195754 is an apocalyptic number.

189195754 is a deficient number, since it is larger than the sum of its proper divisors (138609302).

189195754 is a wasteful number, since it uses less digits than its factorization.

189195754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505901.

The product of its digits is 453600, while the sum is 49.

The square root of 189195754 is about 13754.8447464884. The cubic root of 189195754 is about 574.0774155318.

The spelling of 189195754 in words is "one hundred eighty-nine million, one hundred ninety-five thousand, seven hundred fifty-four".