138753003 has 4 divisors (see below), whose sum is σ = 185004008. Its totient is φ = 92502000.

The previous prime is 138752983. The next prime is 138753049. The reversal of 138753003 is 300357831.

138753003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300357831 = 3 ⋅100119277.

It is not a de Polignac number, because 138753003 - 2¹⁶ = 138687467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138753203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23125498 + ... + 23125503.

It is an arithmetic number, because the mean of its divisors is an integer number (46251002).

Almost surely, 2^138753003 is an apocalyptic number.

138753003 is a deficient number, since it is larger than the sum of its proper divisors (46251005).

138753003 is an equidigital number, since it uses as much as digits as its factorization.

138753003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46251004.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 138753003 is about 11779.3464589509. The cubic root of 138753003 is about 517.7031375953.

The spelling of 138753003 in words is "one hundred thirty-eight million, seven hundred fifty-three thousand, three".