140829040 has 40 divisors (see below), whose sum is σ = 357195888. Its totient is φ = 51210240.

The previous prime is 140829019. The next prime is 140829043. The reversal of 140829040 is 40928041.

140829040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140829043) 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 7 ways as a sum of consecutive naturals, for example, 79137 + ... + 80896.

Almost surely, 2^140829040 is an apocalyptic number.

140829040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140829040 is an abundant number, since it is smaller than the sum of its proper divisors (216366848).

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

140829040 is a wasteful number, since it uses less digits than its factorization.

140829040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160057 (or 160051 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 140829040 is about 11867.1411890143. The cubic root of 140829040 is about 520.2723425467.

Subtracting from 140829040 its reverse (40928041), we obtain a palindrome (99900999).

The spelling of 140829040 in words is "one hundred forty million, eight hundred twenty-nine thousand, forty".