140475040 has 36 divisors (see below), whose sum is σ = 332226846. Its totient is φ = 56130048.

The previous prime is 140475017. The next prime is 140475067. The reversal of 140475040 is 40574041.

140475040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 38787984 + 101687056 = 6228^2 + 10084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140474996 and 140475014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149452 + ... + 150388.

Almost surely, 2^140475040 is an apocalyptic number.

140475040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140475040 is an abundant number, since it is smaller than the sum of its proper divisors (191751806).

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

140475040 is an frugal number, since it uses more digits than its factorization.

140475040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 140475040 is about 11852.2166703111. The cubic root of 140475040 is about 519.8360429840.

Subtracting from 140475040 its reverse (40574041), we obtain a palindrome (99900999).

The spelling of 140475040 in words is "one hundred forty million, four hundred seventy-five thousand, forty".