111352140 has 72 divisors (see below), whose sum is σ = 342564768. Its totient is φ = 29272320.

The previous prime is 111352133. The next prime is 111352147. The reversal of 111352140 is 41253111.

It is an interprime number because it is at equal distance from previous prime (111352133) and next prime (111352147).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111352147) 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, 8424 + ... + 17136.

It is an arithmetic number, because the mean of its divisors is an integer number (4757844).

Almost surely, 2^111352140 is an apocalyptic number.

111352140 is a gapful number since it is divisible by the number (10) 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 111352140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171282384).

111352140 is an abundant number, since it is smaller than the sum of its proper divisors (231212628).

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

111352140 is a wasteful number, since it uses less digits than its factorization.

111352140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799 (or 8794 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 111352140 is about 10552.3523443827. The cubic root of 111352140 is about 481.0972295209.

The spelling of 111352140 in words is "one hundred eleven million, three hundred fifty-two thousand, one hundred forty".