130665440157634 has 4 divisors (see below), whose sum is σ = 195998160236454. Its totient is φ = 65332720078816.

The previous prime is 130665440157619. The next prime is 130665440157713. The reversal of 130665440157634 is 436751044566031.

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

It can be written as a sum of positive squares in only one way, i.e., 113526957939409 + 17138482218225 = 10654903^2 + 4139865^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32666360039407 + ... + 32666360039410.

Almost surely, 2^{130665440157634} is an apocalyptic number.

130665440157634 is a deficient number, since it is larger than the sum of its proper divisors (65332720078820).

130665440157634 is an equidigital number, since it uses as much as digits as its factorization.

130665440157634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65332720078819.

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 130665440157634 in words is "one hundred thirty trillion, six hundred sixty-five billion, four hundred forty million, one hundred fifty-seven thousand, six hundred thirty-four".