130726764 has 144 divisors (see below), whose sum is σ = 409651200. Its totient is φ = 35310816.

The previous prime is 130726763. The next prime is 130726781. The reversal of 130726764 is 467627031.

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 (130726763) 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 47 ways as a sum of consecutive naturals, for example, 272677 + ... + 273155.

It is an arithmetic number, because the mean of its divisors is an integer number (2844800).

Almost surely, 2^130726764 is an apocalyptic number.

130726764 is a gapful number since it is divisible by the number (14) 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 130726764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204825600).

130726764 is an abundant number, since it is smaller than the sum of its proper divisors (278924436).

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

130726764 is a wasteful number, since it uses less digits than its factorization.

130726764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 130726764 is about 11433.5805415452. The cubic root of 130726764 is about 507.5219581689.

The spelling of 130726764 in words is "one hundred thirty million, seven hundred twenty-six thousand, seven hundred sixty-four".