130629709 has 4 divisors (see below), whose sum is σ = 149291104. Its totient is φ = 111968316.

The previous prime is 130629703. The next prime is 130629713. The reversal of 130629709 is 907926031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 907926031 = 1753 ⋅517927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130629709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130629703) 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, 9330687 + ... + 9330700.

It is an arithmetic number, because the mean of its divisors is an integer number (37322776).

Almost surely, 2^130629709 is an apocalyptic number.

It is an amenable number.

130629709 is a deficient number, since it is larger than the sum of its proper divisors (18661395).

130629709 is an equidigital number, since it uses as much as digits as its factorization.

130629709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18661394.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 130629709 is about 11429.3354574971. The cubic root of 130629709 is about 507.3963278409.

The spelling of 130629709 in words is "one hundred thirty million, six hundred twenty-nine thousand, seven hundred nine".