140829398 has 16 divisors (see below), whose sum is σ = 213105120. Its totient is φ = 69797376.

The previous prime is 140829397. The next prime is 140829407. The reversal of 140829398 is 893928041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140829397) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 152783 + ... + 153701.

It is an arithmetic number, because the mean of its divisors is an integer number (13319070).

Almost surely, 2^140829398 is an apocalyptic number.

140829398 is a deficient number, since it is larger than the sum of its proper divisors (72275722).

140829398 is a wasteful number, since it uses less digits than its factorization.

140829398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 140829398 is about 11867.1562726712. The cubic root of 140829398 is about 520.2727834059.

The spelling of 140829398 in words is "one hundred forty million, eight hundred twenty-nine thousand, three hundred ninety-eight".