189148763 has 16 divisors (see below), whose sum is σ = 199065600. Its totient is φ = 179509440.

The previous prime is 189148747. The next prime is 189148769. The reversal of 189148763 is 367841981.

It is not a de Polignac number, because 189148763 - 2⁴ = 189148747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189148769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493670 + ... + 494052.

It is an arithmetic number, because the mean of its divisors is an integer number (12441600).

Almost surely, 2^189148763 is an apocalyptic number.

189148763 is a deficient number, since it is larger than the sum of its proper divisors (9916837).

189148763 is a wasteful number, since it uses less digits than its factorization.

189148763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its digits is 290304, while the sum is 47.

The square root of 189148763 is about 13753.1364786364. The cubic root of 189148763 is about 574.0298832714.

The spelling of 189148763 in words is "one hundred eighty-nine million, one hundred forty-eight thousand, seven hundred sixty-three".