137650505039 has 4 divisors (see below), whose sum is σ = 137665992456. Its totient is φ = 137635017624.

The previous prime is 137650505009. The next prime is 137650505071. The reversal of 137650505039 is 930505056731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137650505039 - 2²⁰ = 137649456463 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 (137650505009) 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, 7730369 + ... + 7748154.

It is an arithmetic number, because the mean of its divisors is an integer number (34416498114).

Almost surely, 2^137650505039 is an apocalyptic number.

137650505039 is a deficient number, since it is larger than the sum of its proper divisors (15487417).

137650505039 is an equidigital number, since it uses as much as digits as its factorization.

137650505039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15487416.

The product of its (nonzero) digits is 425250, while the sum is 44.

The spelling of 137650505039 in words is "one hundred thirty-seven billion, six hundred fifty million, five hundred five thousand, thirty-nine".