140005635 has 64 divisors (see below), whose sum is σ = 285880320. Its totient is φ = 56810880.

The previous prime is 140005601. The next prime is 140005637. The reversal of 140005635 is 536500041.

It is not a de Polignac number, because 140005635 - 2⁶ = 140005571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140005637) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48256 + ... + 51074.

It is an arithmetic number, because the mean of its divisors is an integer number (4466880).

Almost surely, 2^140005635 is an apocalyptic number.

140005635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140005635 is an abundant number, since it is smaller than the sum of its proper divisors (145874685).

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

140005635 is a wasteful number, since it uses less digits than its factorization.

140005635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 140005635 is about 11832.3976860144. The cubic root of 140005635 is about 519.2563766879.

Adding to 140005635 its reverse (536500041), we get a palindrome (676505676).

The spelling of 140005635 in words is "one hundred forty million, five thousand, six hundred thirty-five".