130920948 has 120 divisors (see below), whose sum is σ = 358938272. Its totient is φ = 41570496.

The previous prime is 130920943. The next prime is 130920949. The reversal of 130920948 is 849029031.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130920943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 803115 + ... + 803277.

Almost surely, 2^130920948 is an apocalyptic number.

130920948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130920948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179469136).

130920948 is an abundant number, since it is smaller than the sum of its proper divisors (228017324).

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

130920948 is a wasteful number, since it uses less digits than its factorization.

130920948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 130920948 is about 11442.0692184587. The cubic root of 130920948 is about 507.7731280743.

Adding to 130920948 its reverse (849029031), we get a palindrome (979949979).

The spelling of 130920948 in words is "one hundred thirty million, nine hundred twenty thousand, nine hundred forty-eight".