189220230136 has 64 divisors (see below), whose sum is σ = 408169082880. Its totient is φ = 80556599040.

The previous prime is 189220230091. The next prime is 189220230137. The reversal of 189220230136 is 631032022981.

It is a super-3 number, since 3×189220230136³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189220230095 and 189220230104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189220230137) 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, 5606865 + ... + 5640511.

It is an arithmetic number, because the mean of its divisors is an integer number (6377641920).

Almost surely, 2^189220230136 is an apocalyptic number.

It is an amenable number.

189220230136 is an abundant number, since it is smaller than the sum of its proper divisors (218948852744).

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

189220230136 is a wasteful number, since it uses less digits than its factorization.

189220230136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34324 (or 34320 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 189220230136 in words is "one hundred eighty-nine billion, two hundred twenty million, two hundred thirty thousand, one hundred thirty-six".