137128261039 has 16 divisors (see below), whose sum is σ = 170973294336. Its totient is φ = 106848072000.

The previous prime is 137128261033. The next prime is 137128261057. The reversal of 137128261039 is 930162821731.

It is a cyclic number.

It is not a de Polignac number, because 137128261039 - 2⁵ = 137128261007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137128260986 and 137128261004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137128261033) 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, 2782299 + ... + 2831155.

It is an arithmetic number, because the mean of its divisors is an integer number (10685830896).

Almost surely, 2^137128261039 is an apocalyptic number.

137128261039 is a deficient number, since it is larger than the sum of its proper divisors (33845033297).

137128261039 is a wasteful number, since it uses less digits than its factorization.

137128261039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85326.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 137128261039 in words is "one hundred thirty-seven billion, one hundred twenty-eight million, two hundred sixty-one thousand, thirty-nine".