137325978899 has 4 divisors (see below), whose sum is σ = 137344279464. Its totient is φ = 137307678336.

The previous prime is 137325978887. The next prime is 137325978913. The reversal of 137325978899 is 998879523731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137325978899 - 2⁴ = 137325978883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137325278899) 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 3 ways as a sum of consecutive naturals, for example, 9139022 + ... + 9154035.

It is an arithmetic number, because the mean of its divisors is an integer number (34336069866).

Almost surely, 2^137325978899 is an apocalyptic number.

137325978899 is a deficient number, since it is larger than the sum of its proper divisors (18300565).

137325978899 is an equidigital number, since it uses as much as digits as its factorization.

137325978899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300564.

The product of its digits is 205752960, while the sum is 71.

The spelling of 137325978899 in words is "one hundred thirty-seven billion, three hundred twenty-five million, nine hundred seventy-eight thousand, eight hundred ninety-nine".