140135500 has 48 divisors (see below), whose sum is σ = 315963648. Its totient is φ = 54240000.

The previous prime is 140135473. The next prime is 140135503. The reversal of 140135500 is 5531041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140135503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10980 + ... + 20020.

It is an arithmetic number, because the mean of its divisors is an integer number (6582576).

Almost surely, 2^140135500 is an apocalyptic number.

140135500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140135500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157981824).

140135500 is an abundant number, since it is smaller than the sum of its proper divisors (175828148).

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

140135500 is a wasteful number, since it uses less digits than its factorization.

140135500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091 (or 9079 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 140135500 is about 11837.8841014769. The cubic root of 140135500 is about 519.4168759193.

Adding to 140135500 its reverse (5531041), we get a palindrome (145666541).

The spelling of 140135500 in words is "one hundred forty million, one hundred thirty-five thousand, five hundred".