138850424747 has 8 divisors (see below), whose sum is σ = 146241490176. Its totient is φ = 131572200232.

The previous prime is 138850424743. The next prime is 138850424759. The reversal of 138850424747 is 747424058831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 138850424747 - 2² = 138850424743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138850424743) 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, 28207703 + ... + 28212624.

It is an arithmetic number, because the mean of its divisors is an integer number (18280186272).

Almost surely, 2^138850424747 is an apocalyptic number.

138850424747 is a deficient number, since it is larger than the sum of its proper divisors (7391065429).

138850424747 is a wasteful number, since it uses less digits than its factorization.

138850424747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56420457.

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 138850424747 in words is "one hundred thirty-eight billion, eight hundred fifty million, four hundred twenty-four thousand, seven hundred forty-seven".