130931949 has 8 divisors (see below), whose sum is σ = 175732672. Its totient is φ = 86709600.

The previous prime is 130931921. The next prime is 130931953. The reversal of 130931949 is 949139031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130931949 - 2⁵ = 130931917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130935949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144064 + ... + 144969.

It is an arithmetic number, because the mean of its divisors is an integer number (21966584).

Almost surely, 2^130931949 is an apocalyptic number.

It is an amenable number.

130931949 is a deficient number, since it is larger than the sum of its proper divisors (44800723).

130931949 is a wasteful number, since it uses less digits than its factorization.

130931949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289187.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 130931949 is about 11442.5499343459. The cubic root of 130931949 is about 507.7873500299.

The spelling of 130931949 in words is "one hundred thirty million, nine hundred thirty-one thousand, nine hundred forty-nine".