131755887052238 has 8 divisors (see below), whose sum is σ = 197634542972232. Its totient is φ = 65877706061496.

The previous prime is 131755887052219. The next prime is 131755887052253. The reversal of 131755887052238 is 832250788557131.

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

It is a super-2 number, since 2×131755887052238² (a number of 29 digits) contains 22 as substring.

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, 118037945 + ... + 119148932.

It is an arithmetic number, because the mean of its divisors is an integer number (24704317871529).

Almost surely, 2^{131755887052238} is an apocalyptic number.

131755887052238 is a deficient number, since it is larger than the sum of its proper divisors (65878655919994).

131755887052238 is a wasteful number, since it uses less digits than its factorization.

131755887052238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237464626.

The product of its (nonzero) digits is 112896000, while the sum is 65.

The spelling of 131755887052238 in words is "one hundred thirty-one trillion, seven hundred fifty-five billion, eight hundred eighty-seven million, fifty-two thousand, two hundred thirty-eight".