138259089592 has 32 divisors (see below), whose sum is σ = 288182724480. Its totient is φ = 61753438080.

The previous prime is 138259089581. The next prime is 138259089593. The reversal of 138259089592 is 295980952831.

It is a self number, because there is not a number n which added to its sum of digits gives 138259089592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138259089593) 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 7 ways as a sum of consecutive naturals, for example, 21438943 + ... + 21445390.

It is an arithmetic number, because the mean of its divisors is an integer number (9005710140).

Almost surely, 2^138259089592 is an apocalyptic number.

It is an amenable number.

138259089592 is an abundant number, since it is smaller than the sum of its proper divisors (149923634888).

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

138259089592 is a wasteful number, since it uses less digits than its factorization.

138259089592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42884383 (or 42884379 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 61.

The spelling of 138259089592 in words is "one hundred thirty-eight billion, two hundred fifty-nine million, eighty-nine thousand, five hundred ninety-two".