108139248 has 120 divisors (see below), whose sum is σ = 350977536. Its totient is φ = 30441600.

The previous prime is 108139243. The next prime is 108139249. The reversal of 108139248 is 842931801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108139243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70813 + ... + 72323.

Almost surely, 2^108139248 is an apocalyptic number.

108139248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108139248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175488768).

108139248 is an abundant number, since it is smaller than the sum of its proper divisors (242838288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108139248 is a wasteful number, since it uses less digits than its factorization.

108139248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 108139248 is about 10399.0022598324. The cubic root of 108139248 is about 476.4248966002.

The spelling of 108139248 in words is "one hundred eight million, one hundred thirty-nine thousand, two hundred forty-eight".