131133655 has 4 divisors (see below), whose sum is σ = 157360392. Its totient is φ = 104906920.

The previous prime is 131133647. The next prime is 131133671. The reversal of 131133655 is 556331131.

131133655 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131133655 - 2³ = 131133647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13113361 + ... + 13113370.

It is an arithmetic number, because the mean of its divisors is an integer number (39340098).

Almost surely, 2^131133655 is an apocalyptic number.

131133655 is a deficient number, since it is larger than the sum of its proper divisors (26226737).

131133655 is an equidigital number, since it uses as much as digits as its factorization.

131133655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26226736.

The product of its digits is 4050, while the sum is 28.

The square root of 131133655 is about 11451.3603995333. The cubic root of 131133655 is about 508.0479719407.

Adding to 131133655 its reverse (556331131), we get a palindrome (687464786).

The spelling of 131133655 in words is "one hundred thirty-one million, one hundred thirty-three thousand, six hundred fifty-five".