130641906 has 16 divisors (see below), whose sum is σ = 276653664. Its totient is φ = 40985664.

The previous prime is 130641883. The next prime is 130641911. The reversal of 130641906 is 609146031.

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, 640300 + ... + 640503.

It is an arithmetic number, because the mean of its divisors is an integer number (17290854).

Almost surely, 2^130641906 is an apocalyptic number.

130641906 is an abundant number, since it is smaller than the sum of its proper divisors (146011758).

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

130641906 is a wasteful number, since it uses less digits than its factorization.

130641906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280825.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 130641906 is about 11429.8690281210. The cubic root of 130641906 is about 507.4121193492.

Adding to 130641906 its reverse (609146031), we get a palindrome (739787937).

The spelling of 130641906 in words is "one hundred thirty million, six hundred forty-one thousand, nine hundred six".