129536952701 has 8 divisors (see below), whose sum is σ = 139561782360. Its totient is φ = 119520758592.

The previous prime is 129536952641. The next prime is 129536952703. The reversal of 129536952701 is 107259635921.

It can be written as a sum of positive squares in 4 ways, for example, as 45764333476 + 83772619225 = 213926^2 + 289435^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129536952701 is a prime.

It is a super-2 number, since 2×129536952701² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129536952701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129536952703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127710 + ... + 2187743.

It is an arithmetic number, because the mean of its divisors is an integer number (17445222795).

Almost surely, 2^129536952701 is an apocalyptic number.

It is an amenable number.

129536952701 is a deficient number, since it is larger than the sum of its proper divisors (10024829659).

129536952701 is a wasteful number, since it uses less digits than its factorization.

129536952701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317775.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 129536952701 in words is "one hundred twenty-nine billion, five hundred thirty-six million, nine hundred fifty-two thousand, seven hundred one".