137042075647 has 4 divisors (see below), whose sum is σ = 137129981040. Its totient is φ = 136954170256.

The previous prime is 137042075629. The next prime is 137042075657. The reversal of 137042075647 is 746570240731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746570240731 = 7 ⋅106652891533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137042075647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137042075597 and 137042075606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137042075617) 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, 43950358 + ... + 43953475.

It is an arithmetic number, because the mean of its divisors is an integer number (34282495260).

Almost surely, 2^137042075647 is an apocalyptic number.

137042075647 is a deficient number, since it is larger than the sum of its proper divisors (87905393).

137042075647 is an equidigital number, since it uses as much as digits as its factorization.

137042075647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87905392.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 137042075647 in words is "one hundred thirty-seven billion, forty-two million, seventy-five thousand, six hundred forty-seven".