138980902501 has 12 divisors (see below), whose sum is σ = 161720213952. Its totient is φ = 119090712888.

The previous prime is 138980902481. The next prime is 138980902507. The reversal of 138980902501 is 105209089831.

It is not a de Polignac number, because 138980902501 - 2¹⁹ = 138980378213 is a prime.

It is a super-4 number, since 4×138980902501⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138980902507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260415 + ... + 588028.

It is an arithmetic number, because the mean of its divisors is an integer number (13476684496).

Almost surely, 2^138980902501 is an apocalyptic number.

It is an amenable number.

138980902501 is a deficient number, since it is larger than the sum of its proper divisors (22739311451).

138980902501 is an equidigital number, since it uses as much as digits as its factorization.

138980902501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851800 (or 851793 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 138980902501 in words is "one hundred thirty-eight billion, nine hundred eighty million, nine hundred two thousand, five hundred one".