130493736 has 48 divisors (see below), whose sum is σ = 365613300. Its totient is φ = 41997312.

The previous prime is 130493731. The next prime is 130493807. The reversal of 130493736 is 637394031.

130493736 is a `hidden beast` number, since 130 + 493 + 7 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130096836 + 396900 = 11406^2 + 630^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 130493736.

It is not an unprimeable number, because it can be changed into a prime (130493731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29161 + ... + 33336.

Almost surely, 2^130493736 is an apocalyptic number.

It is an amenable number.

130493736 is an abundant number, since it is smaller than the sum of its proper divisors (235119564).

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

130493736 is a wasteful number, since it uses less digits than its factorization.

130493736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62538 (or 62531 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 130493736 is about 11423.3854876740. The cubic root of 130493736 is about 507.2202164153.

The spelling of 130493736 in words is "one hundred thirty million, four hundred ninety-three thousand, seven hundred thirty-six".