131937133 has 4 divisors (see below), whose sum is σ = 131997600. Its totient is φ = 131876668.

The previous prime is 131937109. The next prime is 131937149. The reversal of 131937133 is 331739131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 331739131 = 83 ⋅3996857.

It is a cyclic number.

It is not a de Polignac number, because 131937133 - 2¹³ = 131928941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131937095 and 131937104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131937103) 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, 26833 + ... + 31366.

It is an arithmetic number, because the mean of its divisors is an integer number (32999400).

Almost surely, 2^131937133 is an apocalyptic number.

It is an amenable number.

131937133 is a deficient number, since it is larger than the sum of its proper divisors (60467).

131937133 is an equidigital number, since it uses as much as digits as its factorization.

131937133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60466.

The product of its digits is 5103, while the sum is 31.

The square root of 131937133 is about 11486.3890322416. The cubic root of 131937133 is about 509.0834917200.

The spelling of 131937133 in words is "one hundred thirty-one million, nine hundred thirty-seven thousand, one hundred thirty-three".