60138131 has 4 divisors (see below), whose sum is σ = 61124064. Its totient is φ = 59152200.

The previous prime is 60138079. The next prime is 60138137. The reversal of 60138131 is 13183106.

60138131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13183106 = 2 ⋅6591553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60138131 is a prime.

It is a super-2 number, since 2×60138131² = 7233189600346322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60138097 and 60138106.

It is not an unprimeable number, because it can be changed into a prime (60138137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492875 + ... + 492996.

It is an arithmetic number, because the mean of its divisors is an integer number (15281016).

Almost surely, 2^60138131 is an apocalyptic number.

60138131 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

60138131 is a deficient number, since it is larger than the sum of its proper divisors (985933).

60138131 is an equidigital number, since it uses as much as digits as its factorization.

60138131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985932.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 60138131 is about 7754.8778842739. The cubic root of 60138131 is about 391.7869586349.

The spelling of 60138131 in words is "sixty million, one hundred thirty-eight thousand, one hundred thirty-one".