137378065489 has 8 divisors (see below), whose sum is σ = 157011236928. Its totient is φ = 117746827440.

The previous prime is 137378065471. The next prime is 137378065523. The reversal of 137378065489 is 984560873731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137378065489 - 2¹⁵ = 137378032721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137378065189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327742 + ... + 618199.

It is an arithmetic number, because the mean of its divisors is an integer number (19626404616).

Almost surely, 2^137378065489 is an apocalyptic number.

It is an amenable number.

137378065489 is a deficient number, since it is larger than the sum of its proper divisors (19633171439).

137378065489 is an equidigital number, since it uses as much as digits as its factorization.

137378065489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966695.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 137378065489 in words is "one hundred thirty-seven billion, three hundred seventy-eight million, sixty-five thousand, four hundred eighty-nine".