131639134 has 8 divisors (see below), whose sum is σ = 215409528. Its totient is φ = 59835960.

The previous prime is 131639119. The next prime is 131639141. The reversal of 131639134 is 431936131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131639096 and 131639105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2991777 + ... + 2991820.

It is an arithmetic number, because the mean of its divisors is an integer number (26926191).

Almost surely, 2^131639134 is an apocalyptic number.

131639134 is a deficient number, since it is larger than the sum of its proper divisors (83770394).

131639134 is a wasteful number, since it uses less digits than its factorization.

131639134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983610.

The product of its digits is 5832, while the sum is 31.

The square root of 131639134 is about 11473.4098680384. The cubic root of 131639134 is about 508.6999233532.

The spelling of 131639134 in words is "one hundred thirty-one million, six hundred thirty-nine thousand, one hundred thirty-four".