137136403525573 has 4 divisors (see below), whose sum is σ = 139183215518560. Its totient is φ = 135089591532588.

The previous prime is 137136403525489. The next prime is 137136403525631. The reversal of 137136403525573 is 375525304631731.

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 a cyclic number.

It is not a de Polignac number, because 137136403525573 - 2²¹ = 137136401428421 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 (137136403525273) 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, 1023405996393 + ... + 1023405996526.

It is an arithmetic number, because the mean of its divisors is an integer number (34795803879640).

Almost surely, 2^{137136403525573} is an apocalyptic number.

It is an amenable number.

137136403525573 is a deficient number, since it is larger than the sum of its proper divisors (2046811992987).

137136403525573 is an equidigital number, since it uses as much as digits as its factorization.

137136403525573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046811992986.

The product of its (nonzero) digits is 23814000, while the sum is 55.

The spelling of 137136403525573 in words is "one hundred thirty-seven trillion, one hundred thirty-six billion, four hundred three million, five hundred twenty-five thousand, five hundred seventy-three".