130949772 has 12 divisors (see below), whose sum is σ = 305549496. Its totient is φ = 43649920.

The previous prime is 130949747. The next prime is 130949779. The reversal of 130949772 is 277949031.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (130949779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5456229 + ... + 5456252.

It is an arithmetic number, because the mean of its divisors is an integer number (25462458).

Almost surely, 2^130949772 is an apocalyptic number.

130949772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130949772 is an abundant number, since it is smaller than the sum of its proper divisors (174599724).

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

130949772 is a wasteful number, since it uses less digits than its factorization.

130949772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10912488 (or 10912486 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 130949772 is about 11443.3287115245. The cubic root of 130949772 is about 507.8103896913.

The spelling of 130949772 in words is "one hundred thirty million, nine hundred forty-nine thousand, seven hundred seventy-two".