137894361973 has 8 divisors (see below), whose sum is σ = 138142209920. Its totient is φ = 137646596160.

The previous prime is 137894361959. The next prime is 137894361991. The reversal of 137894361973 is 379163498731.

137894361973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-137894361973 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 (137894362973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4054228 + ... + 4088098.

It is an arithmetic number, because the mean of its divisors is an integer number (17267776240).

Almost surely, 2^137894361973 is an apocalyptic number.

It is an amenable number.

137894361973 is a deficient number, since it is larger than the sum of its proper divisors (247847947).

137894361973 is an equidigital number, since it uses as much as digits as its factorization.

137894361973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41067.

The product of its digits is 20575296, while the sum is 61.

The spelling of 137894361973 in words is "one hundred thirty-seven billion, eight hundred ninety-four million, three hundred sixty-one thousand, nine hundred seventy-three".