130653440 has 72 divisors (see below), whose sum is σ = 316313088. Its totient is φ = 51701760.

The previous prime is 130653433. The next prime is 130653451. The reversal of 130653440 is 44356031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131345 + ... + 132335.

Almost surely, 2^130653440 is an apocalyptic number.

130653440 is a gapful number since it is divisible by the number (10) 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 130653440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158156544).

130653440 is an abundant number, since it is smaller than the sum of its proper divisors (185659648).

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

130653440 is an equidigital number, since it uses as much as digits as its factorization.

130653440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 130653440 is about 11430.3735721979. The cubic root of 130653440 is about 507.4270515644.

The spelling of 130653440 in words is "one hundred thirty million, six hundred fifty-three thousand, four hundred forty".