108131782 has 16 divisors (see below), whose sum is σ = 182651904. Its totient is φ = 47565000.

The previous prime is 108131767. The next prime is 108131783. The reversal of 108131782 is 287131801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108131783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78594 + ... + 79957.

It is an arithmetic number, because the mean of its divisors is an integer number (11415744).

Almost surely, 2^108131782 is an apocalyptic number.

108131782 is a deficient number, since it is larger than the sum of its proper divisors (74520122).

108131782 is a wasteful number, since it uses less digits than its factorization.

108131782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158595.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 108131782 is about 10398.6432768895. The cubic root of 108131782 is about 476.4139321256.

The spelling of 108131782 in words is "one hundred eight million, one hundred thirty-one thousand, seven hundred eighty-two".