140977454 has 16 divisors (see below), whose sum is σ = 225649680. Its totient is φ = 65862720.

The previous prime is 140977451. The next prime is 140977471. The reversal of 140977454 is 454779041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140977451) 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 7 ways as a sum of consecutive naturals, for example, 22637 + ... + 28184.

It is an arithmetic number, because the mean of its divisors is an integer number (14103105).

Almost surely, 2^140977454 is an apocalyptic number.

140977454 is a deficient number, since it is larger than the sum of its proper divisors (84672226).

140977454 is a wasteful number, since it uses less digits than its factorization.

140977454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50915.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 140977454 is about 11873.3926912235. The cubic root of 140977454 is about 520.4550430051.

The spelling of 140977454 in words is "one hundred forty million, nine hundred seventy-seven thousand, four hundred fifty-four".