134544235501 has 4 divisors (see below), whose sum is σ = 144893792092. Its totient is φ = 124194678912.

The previous prime is 134544235457. The next prime is 134544235547. The reversal of 134544235501 is 105532445431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40733734276 + 93810501225 = 201826^2 + 306285^2 .

It is a cyclic number.

It is not a de Polignac number, because 134544235501 - 2¹³ = 134544227309 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 (134544235591) 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, 5174778276 + ... + 5174778301.

It is an arithmetic number, because the mean of its divisors is an integer number (36223448023).

Almost surely, 2^134544235501 is an apocalyptic number.

It is an amenable number.

134544235501 is a deficient number, since it is larger than the sum of its proper divisors (10349556591).

134544235501 is a wasteful number, since it uses less digits than its factorization.

134544235501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10349556590.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 134544235501 in words is "one hundred thirty-four billion, five hundred forty-four million, two hundred thirty-five thousand, five hundred one".