140134635 has 24 divisors (see below), whose sum is σ = 248552304. Its totient is φ = 72999360.

The previous prime is 140134609. The next prime is 140134637. The reversal of 140134635 is 536431041.

140134635 is a `hidden beast` number, since 14 + 0 + 13 + 4 + 635 = 666.

It is not a de Polignac number, because 140134635 - 2¹³ = 140126443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140134599 and 140134608.

It is not an unprimeable number, because it can be changed into a prime (140134637) 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 23 ways as a sum of consecutive naturals, for example, 34276 + ... + 38145.

It is an arithmetic number, because the mean of its divisors is an integer number (10356346).

Almost surely, 2^140134635 is an apocalyptic number.

140134635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140134635 is a deficient number, since it is larger than the sum of its proper divisors (108417669).

140134635 is a wasteful number, since it uses less digits than its factorization.

140134635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72475 (or 72472 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 140134635 is about 11837.8475661752. The cubic root of 140134635 is about 519.4158072000.

Adding to 140134635 its reverse (536431041), we get a palindrome (676565676).

The spelling of 140134635 in words is "one hundred forty million, one hundred thirty-four thousand, six hundred thirty-five".