137278013135 has 4 divisors (see below), whose sum is σ = 164733615768. Its totient is φ = 109822410504.

The previous prime is 137278013129. The next prime is 137278013137. The reversal of 137278013135 is 531310872731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531310872731 = 2063 ⋅257542837.

It is a cyclic number.

It is not a de Polignac number, because 137278013135 - 2²² = 137273818831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137278013092 and 137278013101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137278013137) 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, 13727801309 + ... + 13727801318.

It is an arithmetic number, because the mean of its divisors is an integer number (41183403942).

Almost surely, 2^137278013135 is an apocalyptic number.

137278013135 is a deficient number, since it is larger than the sum of its proper divisors (27455602633).

137278013135 is an equidigital number, since it uses as much as digits as its factorization.

137278013135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27455602632.

The product of its (nonzero) digits is 105840, while the sum is 41.

Adding to 137278013135 its reverse (531310872731), we get a palindrome (668588885866).

The spelling of 137278013135 in words is "one hundred thirty-seven billion, two hundred seventy-eight million, thirteen thousand, one hundred thirty-five".