131845742 has 8 divisors (see below), whose sum is σ = 226021296. Its totient is φ = 56505312.

The previous prime is 131845741. The next prime is 131845751. The reversal of 131845742 is 247548131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131845741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4708763 + ... + 4708790.

It is an arithmetic number, because the mean of its divisors is an integer number (28252662).

Almost surely, 2^131845742 is an apocalyptic number.

131845742 is a deficient number, since it is larger than the sum of its proper divisors (94175554).

131845742 is an equidigital number, since it uses as much as digits as its factorization.

131845742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417562.

The product of its digits is 26880, while the sum is 35.

The square root of 131845742 is about 11482.4101128639. The cubic root of 131845742 is about 508.9659195727.

The spelling of 131845742 in words is "one hundred thirty-one million, eight hundred forty-five thousand, seven hundred forty-two".