129026300139 has 32 divisors (see below), whose sum is σ = 210250778880. Its totient is φ = 78197735880.

The previous prime is 129026300131. The next prime is 129026300153. The reversal of 129026300139 is 931003620921.

It is a happy number.

129026300139 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 2 + 630 + 0 + 13 + 9 = 666.

It is not a de Polignac number, because 129026300139 - 2³ = 129026300131 is a prime.

It is a super-2 number, since 2×129026300139² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (129026300131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1759237 + ... + 1831110.

It is an arithmetic number, because the mean of its divisors is an integer number (6570336840).

Almost surely, 2^129026300139 is an apocalyptic number.

129026300139 is a deficient number, since it is larger than the sum of its proper divisors (81224478741).

129026300139 is an equidigital number, since it uses as much as digits as its factorization.

129026300139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590389 (or 3590361 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 129026300139 in words is "one hundred twenty-nine billion, twenty-six million, three hundred thousand, one hundred thirty-nine".