140429513 has 32 divisors (see below), whose sum is σ = 182476800. Its totient is φ = 105247296.

The previous prime is 140429483. The next prime is 140429533. The reversal of 140429513 is 315924041.

It is not a de Polignac number, because 140429513 - 2⁶ = 140429449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140429533) 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 31 ways as a sum of consecutive naturals, for example, 87920 + ... + 89502.

It is an arithmetic number, because the mean of its divisors is an integer number (5702400).

Almost surely, 2^140429513 is an apocalyptic number.

It is an amenable number.

140429513 is a deficient number, since it is larger than the sum of its proper divisors (42047287).

140429513 is a wasteful number, since it uses less digits than its factorization.

140429513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 140429513 is about 11850.2959034785. The cubic root of 140429513 is about 519.7798784803.

The spelling of 140429513 in words is "one hundred forty million, four hundred twenty-nine thousand, five hundred thirteen".