137125449065 has 16 divisors (see below), whose sum is σ = 179516869056. Its totient is φ = 99723604800.

The previous prime is 137125449061. The next prime is 137125449077. The reversal of 137125449065 is 560944521731.

It is a happy number.

It is not a de Polignac number, because 137125449065 - 2² = 137125449061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137125449061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2714579 + ... + 2764631.

It is an arithmetic number, because the mean of its divisors is an integer number (11219804316).

Almost surely, 2^137125449065 is an apocalyptic number.

It is an amenable number.

137125449065 is a deficient number, since it is larger than the sum of its proper divisors (42391419991).

137125449065 is a wasteful number, since it uses less digits than its factorization.

137125449065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99880.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 137125449065 in words is "one hundred thirty-seven billion, one hundred twenty-five million, four hundred forty-nine thousand, sixty-five".