140674523 has 4 divisors (see below), whose sum is σ = 153463128. Its totient is φ = 127885920.

The previous prime is 140674519. The next prime is 140674531. The reversal of 140674523 is 325476041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140674523 - 2² = 140674519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140674523.

It is not an unprimeable number, because it can be changed into a prime (140674553) 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 3 ways as a sum of consecutive naturals, for example, 6394286 + ... + 6394307.

It is an arithmetic number, because the mean of its divisors is an integer number (38365782).

Almost surely, 2^140674523 is an apocalyptic number.

140674523 is a deficient number, since it is larger than the sum of its proper divisors (12788605).

140674523 is a wasteful number, since it uses less digits than its factorization.

140674523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12788604.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 140674523 is about 11860.6291148488. The cubic root of 140674523 is about 520.0819927415.

The spelling of 140674523 in words is "one hundred forty million, six hundred seventy-four thousand, five hundred twenty-three".