131436833 has 8 divisors (see below), whose sum is σ = 145406016. Its totient is φ = 117804400.

The previous prime is 131436829. The next prime is 131436953. The reversal of 131436833 is 338634131.

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

It is a cyclic number.

It is not a de Polignac number, because 131436833 - 2² = 131436829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131436833.

It is not an unprimeable number, because it can be changed into a prime (131436733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83366 + ... + 84927.

It is an arithmetic number, because the mean of its divisors is an integer number (18175752).

Almost surely, 2^131436833 is an apocalyptic number.

It is an amenable number.

131436833 is a deficient number, since it is larger than the sum of its proper divisors (13969183).

131436833 is a wasteful number, since it uses less digits than its factorization.

131436833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168375.

The product of its digits is 15552, while the sum is 32.

The square root of 131436833 is about 11464.5903982654. The cubic root of 131436833 is about 508.4392023396.

The spelling of 131436833 in words is "one hundred thirty-one million, four hundred thirty-six thousand, eight hundred thirty-three".