140351040 has 84 divisors (see below), whose sum is σ = 482759004. Its totient is φ = 37426176.

The previous prime is 140351033. The next prime is 140351051. The reversal of 140351040 is 40153041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78004224 + 62346816 = 8832^2 + 7896^2 .

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

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21487 + ... + 27246.

It is an arithmetic number, because the mean of its divisors is an integer number (5747131).

Almost surely, 2^140351040 is an apocalyptic number.

140351040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140351040 is an abundant number, since it is smaller than the sum of its proper divisors (342407964).

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

140351040 is a wasteful number, since it uses less digits than its factorization.

140351040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48756 (or 48743 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140351040 is about 11846.9844264268. The cubic root of 140351040 is about 519.6830415558.

The spelling of 140351040 in words is "one hundred forty million, three hundred fifty-one thousand, forty".