131755245 has 8 divisors (see below), whose sum is σ = 210808416. Its totient is φ = 70269456.

The previous prime is 131755223. The next prime is 131755259. The reversal of 131755245 is 542557131.

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

It is not a de Polignac number, because 131755245 - 2⁸ = 131754989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4391827 + ... + 4391856.

It is an arithmetic number, because the mean of its divisors is an integer number (26351052).

Almost surely, 2^131755245 is an apocalyptic number.

131755245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131755245 is a deficient number, since it is larger than the sum of its proper divisors (79053171).

131755245 is an equidigital number, since it uses as much as digits as its factorization.

131755245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783691.

The product of its digits is 21000, while the sum is 33.

The square root of 131755245 is about 11478.4687567637. The cubic root of 131755245 is about 508.8494439844.

The spelling of 131755245 in words is "one hundred thirty-one million, seven hundred fifty-five thousand, two hundred forty-five".