134872538501 has 4 divisors (see below), whose sum is σ = 134913926400. Its totient is φ = 134831150604.

The previous prime is 134872538443. The next prime is 134872538503. The reversal of 134872538501 is 105835278431.

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: 105835278431 = 19577 ⋅5406103.

It is a cyclic number.

It is not a de Polignac number, because 134872538501 - 2¹⁴ = 134872522117 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 (134872538503) 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, 20689061 + ... + 20695578.

It is an arithmetic number, because the mean of its divisors is an integer number (33728481600).

Almost surely, 2^134872538501 is an apocalyptic number.

It is an amenable number.

134872538501 is a deficient number, since it is larger than the sum of its proper divisors (41387899).

134872538501 is an equidigital number, since it uses as much as digits as its factorization.

134872538501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41387898.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 134872538501 in words is "one hundred thirty-four billion, eight hundred seventy-two million, five hundred thirty-eight thousand, five hundred one".