9251372130 has 256 divisors, whose sum is σ = 29959372800. Its totient is φ = 1765693440.

The previous prime is 9251372113. The next prime is 9251372131. The reversal of 9251372130 is 312731529.

9251372130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9251372091 and 9251372100.

It is not an unprimeable number, because it can be changed into a prime (9251372131) 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 127 ways as a sum of consecutive naturals, for example, 7176526 + ... + 7177814.

It is an arithmetic number, because the mean of its divisors is an integer number (117028800).

Almost surely, 2^9251372130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9251372130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14979686400).

9251372130 is an abundant number, since it is smaller than the sum of its proper divisors (20708000670).

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

9251372130 is a wasteful number, since it uses less digits than its factorization.

9251372130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 9251372130 is about 96184.0534080364. The cubic root of 9251372130 is about 2099.2720175092.

The spelling of 9251372130 in words is "nine billion, two hundred fifty-one million, three hundred seventy-two thousand, one hundred thirty".