140735523 has 16 divisors (see below), whose sum is σ = 189572096. Its totient is φ = 92867040.

The previous prime is 140735509. The next prime is 140735533. The reversal of 140735523 is 325537041.

It is not a de Polignac number, because 140735523 - 2¹⁸ = 140473379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140735533) 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, 140661 + ... + 141657.

It is an arithmetic number, because the mean of its divisors is an integer number (11848256).

Almost surely, 2^140735523 is an apocalyptic number.

140735523 is a deficient number, since it is larger than the sum of its proper divisors (48836573).

140735523 is a wasteful number, since it uses less digits than its factorization.

140735523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 140735523 is about 11863.2003692090. The cubic root of 140735523 is about 520.1571554087.

The spelling of 140735523 in words is "one hundred forty million, seven hundred thirty-five thousand, five hundred twenty-three".