130279972950 has 144 divisors (see below), whose sum is σ = 375109446816. Its totient is φ = 32332608000.

The previous prime is 130279972943. The next prime is 130279972951. The reversal of 130279972950 is 59279972031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130279972951) 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 71 ways as a sum of consecutive naturals, for example, 212850 + ... + 553050.

It is an arithmetic number, because the mean of its divisors is an integer number (2604926714).

Almost surely, 2^130279972950 is an apocalyptic number.

130279972950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130279972950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187554723408).

130279972950 is an abundant number, since it is smaller than the sum of its proper divisors (244829473866).

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

130279972950 is a wasteful number, since it uses less digits than its factorization.

130279972950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340279 (or 340271 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 130279972950 in words is "one hundred thirty billion, two hundred seventy-nine million, nine hundred seventy-two thousand, nine hundred fifty".