189801136 has 40 divisors (see below), whose sum is σ = 430534944. Its totient is φ = 79357440.

The previous prime is 189801121. The next prime is 189801173. The reversal of 189801136 is 631108981.

It is a junction number, because it is equal to n+sod(n) for n = 189801095 and 189801104.

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, 16075 + ... + 25258.

Almost surely, 2^189801136 is an apocalyptic number.

189801136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

189801136 is an abundant number, since it is smaller than the sum of its proper divisors (240733808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189801136 is a wasteful number, since it uses less digits than its factorization.

189801136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41389 (or 41383 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 189801136 is about 13776.8333081300. The cubic root of 189801136 is about 574.6890679362.

The spelling of 189801136 in words is "one hundred eighty-nine million, eight hundred one thousand, one hundred thirty-six".