140513235 has 32 divisors (see below), whose sum is σ = 238374912. Its totient is φ = 70554240.

The previous prime is 140513231. The next prime is 140513237. The reversal of 140513235 is 532315041.

It is not a de Polignac number, because 140513235 - 2² = 140513231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140513231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13122 + ... + 21288.

It is an arithmetic number, because the mean of its divisors is an integer number (7449216).

Almost surely, 2^140513235 is an apocalyptic number.

140513235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140513235 is a deficient number, since it is larger than the sum of its proper divisors (97861677).

140513235 is a wasteful number, since it uses less digits than its factorization.

140513235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243.

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

The square root of 140513235 is about 11853.8278627623. The cubic root of 140513235 is about 519.8831529864.

Adding to 140513235 its reverse (532315041), we get a palindrome (672828276).

The spelling of 140513235 in words is "one hundred forty million, five hundred thirteen thousand, two hundred thirty-five".