140502135 has 16 divisors (see below), whose sum is σ = 230880096. Its totient is φ = 72908928.

The previous prime is 140502133. The next prime is 140502139. The reversal of 140502135 is 531205041.

It is not a de Polignac number, because 140502135 - 2¹ = 140502133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140502133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126024 + ... + 127133.

It is an arithmetic number, because the mean of its divisors is an integer number (14430006).

Almost surely, 2^140502135 is an apocalyptic number.

140502135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140502135 is a deficient number, since it is larger than the sum of its proper divisors (90377961).

140502135 is a wasteful number, since it uses less digits than its factorization.

140502135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253202.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 140502135 is about 11853.3596503270. The cubic root of 140502135 is about 519.8694630424.

Adding to 140502135 its reverse (531205041), we get a palindrome (671707176).

The spelling of 140502135 in words is "one hundred forty million, five hundred two thousand, one hundred thirty-five".