138760753 has 2 divisors, whose sum is σ = 138760754. Its totient is φ = 138760752.

The previous prime is 138760751. The next prime is 138760777. The reversal of 138760753 is 357067831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138109504 + 651249 = 11752^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 138760753 - 2¹ = 138760751 is a prime.

It is a super-3 number, since 3×138760753³ (a number of 25 digits) contains 333 as substring.

Together with 138760751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (138760751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69380376 + 69380377.

It is an arithmetic number, because the mean of its divisors is an integer number (69380377).

Almost surely, 2^138760753 is an apocalyptic number.

It is an amenable number.

138760753 is a deficient number, since it is larger than the sum of its proper divisors (1).

138760753 is an equidigital number, since it uses as much as digits as its factorization.

138760753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 138760753 is about 11779.6754199766. The cubic root of 138760753 is about 517.7127761245.

The spelling of 138760753 in words is "one hundred thirty-eight million, seven hundred sixty thousand, seven hundred fifty-three".