140835240 has 256 divisors, whose sum is σ = 578188800. Its totient is φ = 29693952.

The previous prime is 140835203. The next prime is 140835251. The reversal of 140835240 is 42538041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97564 + ... + 98996.

It is an arithmetic number, because the mean of its divisors is an integer number (2258550).

Almost surely, 2^140835240 is an apocalyptic number.

140835240 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 140835240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289094400).

140835240 is an abundant number, since it is smaller than the sum of its proper divisors (437353560).

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

140835240 is a wasteful number, since it uses less digits than its factorization.

140835240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 140835240 is about 11867.4024116485. The cubic root of 140835240 is about 520.2799774331.

The spelling of 140835240 in words is "one hundred forty million, eight hundred thirty-five thousand, two hundred forty".