108537381 has 16 divisors (see below), whose sum is σ = 161112000. Its totient is φ = 72216144.

The previous prime is 108537371. The next prime is 108537413. The reversal of 108537381 is 183735801.

It is not a de Polignac number, because 108537381 - 2¹³ = 108529189 is a prime.

It is a super-2 number, since 2×108537381² = 23560726148678322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108537301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11095 + ... + 18443.

It is an arithmetic number, because the mean of its divisors is an integer number (10069500).

Almost surely, 2^108537381 is an apocalyptic number.

It is an amenable number.

108537381 is a deficient number, since it is larger than the sum of its proper divisors (52574619).

108537381 is an equidigital number, since it uses as much as digits as its factorization.

108537381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905 (or 7899 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 108537381 is about 10418.1275188970. The cubic root of 108537381 is about 477.0088602444.

The spelling of 108537381 in words is "one hundred eight million, five hundred thirty-seven thousand, three hundred eighty-one".