131356733 has 4 divisors (see below), whose sum is σ = 131458848. Its totient is φ = 131254620.

The previous prime is 131356727. The next prime is 131356751. The reversal of 131356733 is 337653131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131356733 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 131356733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131356763) 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, 49103 + ... + 51708.

It is an arithmetic number, because the mean of its divisors is an integer number (32864712).

Almost surely, 2^131356733 is an apocalyptic number.

It is an amenable number.

131356733 is a deficient number, since it is larger than the sum of its proper divisors (102115).

131356733 is a wasteful number, since it uses less digits than its factorization.

131356733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102114.

The product of its digits is 17010, while the sum is 32.

The square root of 131356733 is about 11461.0965007716. The cubic root of 131356733 is about 508.3358973145.

The spelling of 131356733 in words is "one hundred thirty-one million, three hundred fifty-six thousand, seven hundred thirty-three".