140910240 has 96 divisors (see below), whose sum is σ = 446838336. Its totient is φ = 37324800.

The previous prime is 140910239. The next prime is 140910241. The reversal of 140910240 is 42019041.

It is an interprime number because it is at equal distance from previous prime (140910239) and next prime (140910241).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (140910241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77340 + ... + 79140.

It is an arithmetic number, because the mean of its divisors is an integer number (4654566).

Almost surely, 2^140910240 is an apocalyptic number.

140910240 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 140910240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223419168).

140910240 is an abundant number, since it is smaller than the sum of its proper divisors (305928096).

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

140910240 is a wasteful number, since it uses less digits than its factorization.

140910240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 140910240 is about 11870.5619075088. The cubic root of 140910240 is about 520.3723171857.

Adding to 140910240 its reverse (42019041), we get a palindrome (182929281).

The spelling of 140910240 in words is "one hundred forty million, nine hundred ten thousand, two hundred forty".