137200632321 has 4 divisors (see below), whose sum is σ = 182934176432. Its totient is φ = 91467088212.

The previous prime is 137200632287. The next prime is 137200632343. The reversal of 137200632321 is 123236002731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 137200632321 - 2¹⁹ = 137200108033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137200632521) 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, 22866772051 + ... + 22866772056.

It is an arithmetic number, because the mean of its divisors is an integer number (45733544108).

Almost surely, 2^137200632321 is an apocalyptic number.

It is an amenable number.

137200632321 is a deficient number, since it is larger than the sum of its proper divisors (45733544111).

137200632321 is an equidigital number, since it uses as much as digits as its factorization.

137200632321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45733544110.

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 137200632321 in words is "one hundred thirty-seven billion, two hundred million, six hundred thirty-two thousand, three hundred twenty-one".