138058400724 has 12 divisors (see below), whose sum is σ = 322136268384. Its totient is φ = 46019466904.

The previous prime is 138058400671. The next prime is 138058400729. The reversal of 138058400724 is 427004850831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138058400729) 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, 5752433352 + ... + 5752433375.

It is an arithmetic number, because the mean of its divisors is an integer number (26844689032).

Almost surely, 2^138058400724 is an apocalyptic number.

It is an amenable number.

138058400724 is an abundant number, since it is smaller than the sum of its proper divisors (184077867660).

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

138058400724 is a wasteful number, since it uses less digits than its factorization.

138058400724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504866734 (or 11504866732 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 138058400724 in words is "one hundred thirty-eight billion, fifty-eight million, four hundred thousand, seven hundred twenty-four".