130909194 has 48 divisors (see below), whose sum is σ = 311980032. Its totient is φ = 39419424.

The previous prime is 130909193. The next prime is 130909211. The reversal of 130909194 is 491909031.

It is not an unprimeable number, because it can be changed into a prime (130909193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5047 + ... + 16949.

It is an arithmetic number, because the mean of its divisors is an integer number (6499584).

Almost surely, 2^130909194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130909194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155990016).

130909194 is an abundant number, since it is smaller than the sum of its proper divisors (181070838).

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

130909194 is a wasteful number, since it uses less digits than its factorization.

130909194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11971 (or 11968 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 130909194 is about 11441.5555760570. Note that the first 4 decimals coincide. The cubic root of 130909194 is about 507.7579317693.

The spelling of 130909194 in words is "one hundred thirty million, nine hundred nine thousand, one hundred ninety-four".