140917248 has 120 divisors (see below), whose sum is σ = 415088388. Its totient is φ = 46006272.

The previous prime is 140917219. The next prime is 140917253. The reversal of 140917248 is 842719041.

140917248 is a `hidden beast` number, since 1 + 409 + 1 + 7 + 248 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112529664 + 28387584 = 10608^2 + 5328^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243936 + ... + 244512.

Almost surely, 2^140917248 is an apocalyptic number.

140917248 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 140917248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207544194).

140917248 is an abundant number, since it is smaller than the sum of its proper divisors (274171140).

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

140917248 is an equidigital number, since it uses as much as digits as its factorization.

140917248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 140917248 is about 11870.8570878433. The cubic root of 140917248 is about 520.3809437382.

The spelling of 140917248 in words is "one hundred forty million, nine hundred seventeen thousand, two hundred forty-eight".