138753303 has 64 divisors (see below), whose sum is σ = 224243712. Its totient is φ = 75479040.

The previous prime is 138753281. The next prime is 138753343. The reversal of 138753303 is 303357831.

It is not a de Polignac number, because 138753303 - 2⁶ = 138753239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138753343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 883701 + ... + 883857.

It is an arithmetic number, because the mean of its divisors is an integer number (3503808).

Almost surely, 2^138753303 is an apocalyptic number.

138753303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

138753303 is a deficient number, since it is larger than the sum of its proper divisors (85490409).

138753303 is a wasteful number, since it uses less digits than its factorization.

138753303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 138753303 is about 11779.3591930971. The cubic root of 138753303 is about 517.7035107063.

The spelling of 138753303 in words is "one hundred thirty-eight million, seven hundred fifty-three thousand, three hundred three".