134561501 has 2 divisors, whose sum is σ = 134561502. Its totient is φ = 134561500.

The previous prime is 134561459. The next prime is 134561507. The reversal of 134561501 is 105165431.

134561501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124858276 + 9703225 = 11174^2 + 3115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134561501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134561507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67280750 + 67280751.

It is an arithmetic number, because the mean of its divisors is an integer number (67280751).

Almost surely, 2^134561501 is an apocalyptic number.

It is an amenable number.

134561501 is a deficient number, since it is larger than the sum of its proper divisors (1).

134561501 is an equidigital number, since it uses as much as digits as its factorization.

134561501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 134561501 is about 11600.0646980954. The cubic root of 134561501 is about 512.4367572963.

The spelling of 134561501 in words is "one hundred thirty-four million, five hundred sixty-one thousand, five hundred one".