129913995 has 8 divisors (see below), whose sum is σ = 207862416. Its totient is φ = 69287456.

The previous prime is 129913981. The next prime is 129914009. The reversal of 129913995 is 599319921.

It is an interprime number because it is at equal distance from previous prime (129913981) and next prime (129914009).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129913995 - 2¹⁴ = 129897611 is a prime.

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, 4330452 + ... + 4330481.

It is an arithmetic number, because the mean of its divisors is an integer number (25982802).

Almost surely, 2^129913995 is an apocalyptic number.

129913995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

129913995 is a deficient number, since it is larger than the sum of its proper divisors (77948421).

129913995 is an equidigital number, since it uses as much as digits as its factorization.

129913995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8660941.

The product of its digits is 196830, while the sum is 48.

The square root of 129913995 is about 11397.9820582417. The cubic root of 129913995 is about 506.4679634518.

The spelling of 129913995 in words is "one hundred twenty-nine million, nine hundred thirteen thousand, nine hundred ninety-five".