140734454 has 32 divisors (see below), whose sum is σ = 245721600. Its totient is φ = 59209920.

The previous prime is 140734453. The next prime is 140734457. The reversal of 140734454 is 454437041.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140734454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140734453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222719 + ... + 223349.

It is an arithmetic number, because the mean of its divisors is an integer number (7678800).

Almost surely, 2^140734454 is an apocalyptic number.

140734454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140734454 is a deficient number, since it is larger than the sum of its proper divisors (104987146).

140734454 is a wasteful number, since it uses less digits than its factorization.

140734454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 140734454 is about 11863.1553138278. The cubic root of 140734454 is about 520.1558384007.

The spelling of 140734454 in words is "one hundred forty million, seven hundred thirty-four thousand, four hundred fifty-four".