130449653 has 4 divisors (see below), whose sum is σ = 138123180. Its totient is φ = 122776128.

The previous prime is 130449637. The next prime is 130449661. The reversal of 130449653 is 356944031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43270084 + 87179569 = 6578^2 + 9337^2 .

It is a cyclic number.

It is not a de Polignac number, because 130449653 - 2⁴ = 130449637 is a prime.

It is a super-2 number, since 2×130449653² = 34034223935640818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130449853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3836738 + ... + 3836771.

It is an arithmetic number, because the mean of its divisors is an integer number (34530795).

Almost surely, 2^130449653 is an apocalyptic number.

It is an amenable number.

130449653 is a deficient number, since it is larger than the sum of its proper divisors (7673527).

130449653 is an equidigital number, since it uses as much as digits as its factorization.

130449653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673526.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 130449653 is about 11421.4558178894. The cubic root of 130449653 is about 507.1630941150.

The spelling of 130449653 in words is "one hundred thirty million, four hundred forty-nine thousand, six hundred fifty-three".