116531938 has 8 divisors (see below), whose sum is σ = 182397888. Its totient is φ = 55732644.

The previous prime is 116531929. The next prime is 116531939. The reversal of 116531938 is 839135611.

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

It is a junction number, because it is equal to n+sod(n) for n = 116531897 and 116531906.

It is not an unprimeable number, because it can be changed into a prime (116531939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266606 + ... + 1266697.

It is an arithmetic number, because the mean of its divisors is an integer number (22799736).

Almost surely, 2^116531938 is an apocalyptic number.

116531938 is a deficient number, since it is larger than the sum of its proper divisors (65865950).

116531938 is a wasteful number, since it uses less digits than its factorization.

116531938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533328.

The product of its digits is 19440, while the sum is 37.

The square root of 116531938 is about 10794.9959703559. The cubic root of 116531938 is about 488.4442368165. Note that the first 3 decimals are identical.

The spelling of 116531938 in words is "one hundred sixteen million, five hundred thirty-one thousand, nine hundred thirty-eight".