129759141268970 has 64 divisors (see below), whose sum is σ = 236330059600800. Its totient is φ = 51292066406400.

The previous prime is 129759141268963. The next prime is 129759141268987. The reversal of 129759141268970 is 79862141957921.

It is a Cunningham number, because it is equal to 11391187²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 78095520585889 + 51663620683081 = 8837167^2 + 7187741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 129759141268894 and 129759141268903.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4025145692 + ... + 4025177928.

Almost surely, 2^{129759141268970} is an apocalyptic number.

129759141268970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129759141268970 is a deficient number, since it is larger than the sum of its proper divisors (106570918331830).

129759141268970 is a wasteful number, since it uses less digits than its factorization.

129759141268970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41963.

The product of its (nonzero) digits is 137168640, while the sum is 71.

The spelling of 129759141268970 in words is "one hundred twenty-nine trillion, seven hundred fifty-nine billion, one hundred forty-one million, two hundred sixty-eight thousand, nine hundred seventy".