138096900479 has 8 divisors (see below), whose sum is σ = 146223659808. Its totient is φ = 129970520320.

The previous prime is 138096900467. The next prime is 138096900497. The reversal of 138096900479 is 974009690831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138096900479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138096900079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050539 + ... + 1174659.

It is an arithmetic number, because the mean of its divisors is an integer number (18277957476).

Almost surely, 2^138096900479 is an apocalyptic number.

138096900479 is a deficient number, since it is larger than the sum of its proper divisors (8126759329).

138096900479 is a wasteful number, since it uses less digits than its factorization.

138096900479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189585.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 138096900479 in words is "one hundred thirty-eight billion, ninety-six million, nine hundred thousand, four hundred seventy-nine".