60138561 has 8 divisors (see below), whose sum is σ = 91639744. Its totient is φ = 34364880.

The previous prime is 60138539. The next prime is 60138569. The reversal of 60138561 is 16583106.

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

It is not a de Polignac number, because 60138561 - 2⁹ = 60138049 is a prime.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (60138569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431850 + ... + 1431891.

It is an arithmetic number, because the mean of its divisors is an integer number (11454968).

Almost surely, 2^60138561 is an apocalyptic number.

It is an amenable number.

60138561 is a deficient number, since it is larger than the sum of its proper divisors (31501183).

60138561 is a wasteful number, since it uses less digits than its factorization.

60138561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863751.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 60138561 is about 7754.9056087099. The cubic root of 60138561 is about 391.7878924184.

The spelling of 60138561 in words is "sixty million, one hundred thirty-eight thousand, five hundred sixty-one".