138056060 has 12 divisors (see below), whose sum is σ = 289917768. Its totient is φ = 55222416.

The previous prime is 138056057. The next prime is 138056063. The reversal of 138056060 is 60650831.

It is an interprime number because it is at equal distance from previous prime (138056057) and next prime (138056063).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138056063) 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, 3451382 + ... + 3451421.

It is an arithmetic number, because the mean of its divisors is an integer number (24159814).

Almost surely, 2^138056060 is an apocalyptic number.

138056060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138056060 is an abundant number, since it is smaller than the sum of its proper divisors (151861708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138056060 is a wasteful number, since it uses less digits than its factorization.

138056060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6902812 (or 6902810 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 138056060 is about 11749.7259542510. The cubic root of 138056060 is about 516.8348912261.

The spelling of 138056060 in words is "one hundred thirty-eight million, fifty-six thousand, sixty".