137273506421438 has 24 divisors (see below), whose sum is σ = 224328289325760. Its totient is φ = 62926734682080.

The previous prime is 137273506421423. The next prime is 137273506421461. The reversal of 137273506421438 is 834124605372731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3066582623 + ... + 3066627386.

It is an arithmetic number, because the mean of its divisors is an integer number (9347012055240).

Almost surely, 2^{137273506421438} is an apocalyptic number.

137273506421438 is a deficient number, since it is larger than the sum of its proper divisors (87054782904322).

137273506421438 is a wasteful number, since it uses less digits than its factorization.

137273506421438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133210080 (or 6133210061 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 137273506421438 in words is "one hundred thirty-seven trillion, two hundred seventy-three billion, five hundred six million, four hundred twenty-one thousand, four hundred thirty-eight".