138295488 has 28 divisors (see below), whose sum is σ = 365907320. Its totient is φ = 46098432.

The previous prime is 138295463. The next prime is 138295489. The reversal of 138295488 is 884592831.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (138295489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359953 + ... + 360336.

Almost surely, 2^138295488 is an apocalyptic number.

It is an amenable number.

138295488 is an abundant number, since it is smaller than the sum of its proper divisors (227611832).

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

138295488 is an equidigital number, since it uses as much as digits as its factorization.

138295488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720304 (or 720294 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 138295488 is about 11759.9102037388. The cubic root of 138295488 is about 517.1334976452.

The spelling of 138295488 in words is "one hundred thirty-eight million, two hundred ninety-five thousand, four hundred eighty-eight".