140135529 has 8 divisors (see below), whose sum is σ = 190823040. Its totient is φ = 91435856.

The previous prime is 140135521. The next prime is 140135533. The reversal of 140135529 is 925531041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140135529 - 2³ = 140135521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140135496 and 140135505.

It is not an unprimeable number, because it can be changed into a prime (140135521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496794 + ... + 497075.

It is an arithmetic number, because the mean of its divisors is an integer number (23852880).

Almost surely, 2^140135529 is an apocalyptic number.

It is an amenable number.

140135529 is a deficient number, since it is larger than the sum of its proper divisors (50687511).

140135529 is an equidigital number, since it uses as much as digits as its factorization.

140135529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993919.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 140135529 is about 11837.8853263579. The cubic root of 140135529 is about 519.4169117491.

The spelling of 140135529 in words is "one hundred forty million, one hundred thirty-five thousand, five hundred twenty-nine".