138828753 has 12 divisors (see below), whose sum is σ = 229177728. Its totient is φ = 79330680.

The previous prime is 138828751. The next prime is 138828761. The reversal of 138828753 is 357828831.

It is not a de Polignac number, because 138828753 - 2¹ = 138828751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138828699 and 138828708.

It is not an unprimeable number, because it can be changed into a prime (138828751) 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 11 ways as a sum of consecutive naturals, for example, 1101753 + ... + 1101878.

It is an arithmetic number, because the mean of its divisors is an integer number (19098144).

Almost surely, 2^138828753 is an apocalyptic number.

It is an amenable number.

138828753 is a deficient number, since it is larger than the sum of its proper divisors (90348975).

138828753 is a wasteful number, since it uses less digits than its factorization.

138828753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203644 (or 2203641 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 138828753 is about 11782.5613938566. The cubic root of 138828753 is about 517.7973310603.

The spelling of 138828753 in words is "one hundred thirty-eight million, eight hundred twenty-eight thousand, seven hundred fifty-three".