131487782 has 8 divisors (see below), whose sum is σ = 197371776. Its totient is φ = 65697192.

The previous prime is 131487773. The next prime is 131487821. The reversal of 131487782 is 287784131.

131487782 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 19718 + ... + 25529.

It is an arithmetic number, because the mean of its divisors is an integer number (24671472).

Almost surely, 2^131487782 is an apocalyptic number.

131487782 is a deficient number, since it is larger than the sum of its proper divisors (65883994).

131487782 is a wasteful number, since it uses less digits than its factorization.

131487782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46702.

The product of its digits is 75264, while the sum is 41.

The square root of 131487782 is about 11466.8121986889. The cubic root of 131487782 is about 508.5048894632.

The spelling of 131487782 in words is "one hundred thirty-one million, four hundred eighty-seven thousand, seven hundred eighty-two".