130536240 has 40 divisors (see below), whose sum is σ = 404663088. Its totient is φ = 34809600.

The previous prime is 130536233. The next prime is 130536253. The reversal of 130536240 is 42635031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 130536240.

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, 271711 + ... + 272190.

Almost surely, 2^130536240 is an apocalyptic number.

130536240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130536240 is an abundant number, since it is smaller than the sum of its proper divisors (274126848).

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

130536240 is a wasteful number, since it uses less digits than its factorization.

130536240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543917 (or 543911 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 130536240 is about 11425.2457303990. The cubic root of 130536240 is about 507.2752804832.

The spelling of 130536240 in words is "one hundred thirty million, five hundred thirty-six thousand, two hundred forty".