138025088 has 32 divisors (see below), whose sum is σ = 280834560. Its totient is φ = 67541248.

The previous prime is 138025079. The next prime is 138025117. The reversal of 138025088 is 880520831.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5456 + ... + 17487.

It is an arithmetic number, because the mean of its divisors is an integer number (8776080).

Almost surely, 2^138025088 is an apocalyptic number.

It is an amenable number.

138025088 is an abundant number, since it is smaller than the sum of its proper divisors (142809472).

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

138025088 is an equidigital number, since it uses as much as digits as its factorization.

138025088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23004 (or 22992 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 138025088 is about 11748.4078921359. The cubic root of 138025088 is about 516.7962387940.

The spelling of 138025088 in words is "one hundred thirty-eight million, twenty-five thousand, eighty-eight".