140407877654 has 16 divisors (see below), whose sum is σ = 229776060096. Its totient is φ = 63816841800.

The previous prime is 140407877651. The next prime is 140407877669. The reversal of 140407877654 is 456778704041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140407877596 and 140407877605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140407877651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53909 + ... + 532655.

It is an arithmetic number, because the mean of its divisors is an integer number (14361003756).

Almost surely, 2^140407877654 is an apocalyptic number.

140407877654 is a deficient number, since it is larger than the sum of its proper divisors (89368182442).

140407877654 is a wasteful number, since it uses less digits than its factorization.

140407877654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492091.

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 140407877654 in words is "one hundred forty billion, four hundred seven million, eight hundred seventy-seven thousand, six hundred fifty-four".