140829653 has 8 divisors (see below), whose sum is σ = 149711520. Its totient is φ = 132094800.

The previous prime is 140829643. The next prime is 140829679. The reversal of 140829653 is 356928041.

It is a happy number.

140829653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140829653 - 2⁸ = 140829397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140829643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34775 + ... + 38612.

It is an arithmetic number, because the mean of its divisors is an integer number (18713940).

Almost surely, 2^140829653 is an apocalyptic number.

It is an amenable number.

140829653 is a deficient number, since it is larger than the sum of its proper divisors (8881867).

140829653 is a wasteful number, since it uses less digits than its factorization.

140829653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73507.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 140829653 is about 11867.1670166051. The cubic root of 140829653 is about 520.2730974253.

The spelling of 140829653 in words is "one hundred forty million, eight hundred twenty-nine thousand, six hundred fifty-three".