189301687156 has 12 divisors (see below), whose sum is σ = 331286414368. Its totient is φ = 94648425912.

The previous prime is 189301687153. The next prime is 189301687187. The reversal of 189301687156 is 651786103981.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 189301687097 and 189301687106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189301687153) 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, 422136 + ... + 746191.

Almost surely, 2^189301687156 is an apocalyptic number.

It is an amenable number.

189301687156 is a deficient number, since it is larger than the sum of its proper divisors (141984727212).

189301687156 is a wasteful number, since it uses less digits than its factorization.

189301687156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208838 (or 1208836 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 189301687156 in words is "one hundred eighty-nine billion, three hundred one million, six hundred eighty-seven thousand, one hundred fifty-six".