140535499 has 16 divisors (see below), whose sum is σ = 155594880. Its totient is φ = 126871680.

The previous prime is 140535491. The next prime is 140535511. The reversal of 140535499 is 994535041.

It is not a de Polignac number, because 140535499 - 2³ = 140535491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140535491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102579 + ... + 103939.

It is an arithmetic number, because the mean of its divisors is an integer number (9724680).

Almost surely, 2^140535499 is an apocalyptic number.

140535499 is a deficient number, since it is larger than the sum of its proper divisors (15059381).

140535499 is an equidigital number, since it uses as much as digits as its factorization.

140535499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 140535499 is about 11854.7669314922. The cubic root of 140535499 is about 519.9106096343.

The spelling of 140535499 in words is "one hundred forty million, five hundred thirty-five thousand, four hundred ninety-nine".