131613135 has 32 divisors (see below), whose sum is σ = 218265600. Its totient is φ = 67651200.

The previous prime is 131613121. The next prime is 131613161. The reversal of 131613135 is 531316131.

It is not a de Polignac number, because 131613135 - 2⁶ = 131613071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161880 + ... + 162690.

It is an arithmetic number, because the mean of its divisors is an integer number (6820800).

Almost surely, 2^131613135 is an apocalyptic number.

131613135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131613135 is a deficient number, since it is larger than the sum of its proper divisors (86652465).

131613135 is a wasteful number, since it uses less digits than its factorization.

131613135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its digits is 810, while the sum is 24.

The square root of 131613135 is about 11472.2768010539. The cubic root of 131613135 is about 508.6664313874. Note that the first 3 decimals are identical.

Adding to 131613135 its reverse (531316131), we get a palindrome (662929266).

The spelling of 131613135 in words is "one hundred thirty-one million, six hundred thirteen thousand, one hundred thirty-five".