131376720135 has 16 divisors (see below), whose sum is σ = 210677261184. Its totient is φ = 69909414432.

The previous prime is 131376720113. The next prime is 131376720187. The reversal of 131376720135 is 531027673131.

It is a happy number.

It is not a de Polignac number, because 131376720135 - 2²² = 131372525831 is a prime.

It is a super-2 number, since 2×131376720135² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131376720093 and 131376720102.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9878737 + ... + 9892026.

It is an arithmetic number, because the mean of its divisors is an integer number (13167328824).

Almost surely, 2^131376720135 is an apocalyptic number.

131376720135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131376720135 is a deficient number, since it is larger than the sum of its proper divisors (79300541049).

131376720135 is a wasteful number, since it uses less digits than its factorization.

131376720135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771214.

The product of its (nonzero) digits is 79380, while the sum is 39.

The spelling of 131376720135 in words is "one hundred thirty-one billion, three hundred seventy-six million, seven hundred twenty thousand, one hundred thirty-five".