189077130 has 96 divisors (see below), whose sum is σ = 538843968. Its totient is φ = 45619200.

The previous prime is 189077093. The next prime is 189077131. The reversal of 189077130 is 31770981.

It is a super-2 number, since 2×189077130² = 71500322178073800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189077131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327402 + ... + 327978.

It is an arithmetic number, because the mean of its divisors is an integer number (5612958).

Almost surely, 2^189077130 is an apocalyptic number.

189077130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 189077130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269421984).

189077130 is an abundant number, since it is smaller than the sum of its proper divisors (349766838).

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

189077130 is a wasteful number, since it uses less digits than its factorization.

189077130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 189077130 is about 13750.5319897086. The cubic root of 189077130 is about 573.9574100253.

The spelling of 189077130 in words is "one hundred eighty-nine million, seventy-seven thousand, one hundred thirty".