140741523 has 32 divisors (see below), whose sum is σ = 227297280. Its totient is φ = 85548960.

The previous prime is 140741509. The next prime is 140741633. The reversal of 140741523 is 325147041.

It is not a de Polignac number, because 140741523 - 2⁴ = 140741507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140741123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26718 + ... + 31548.

It is an arithmetic number, because the mean of its divisors is an integer number (7103040).

Almost surely, 2^140741523 is an apocalyptic number.

140741523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140741523 is a deficient number, since it is larger than the sum of its proper divisors (86555757).

140741523 is a wasteful number, since it uses less digits than its factorization.

140741523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936 (or 4930 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 140741523 is about 11863.4532493705. The cubic root of 140741523 is about 520.1645472846.

Adding to 140741523 its reverse (325147041), we get a palindrome (465888564).

The spelling of 140741523 in words is "one hundred forty million, seven hundred forty-one thousand, five hundred twenty-three".