140636233654 has 16 divisors (see below), whose sum is σ = 241409186208. Its totient is φ = 60193046592.

The previous prime is 140636233603. The next prime is 140636233721. The reversal of 140636233654 is 456332636041.

It is a self number, because there is not a number n which added to its sum of digits gives 140636233654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6624439 + ... + 6645634.

It is an arithmetic number, because the mean of its divisors is an integer number (15088074138).

Almost surely, 2^140636233654 is an apocalyptic number.

140636233654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140636233654 is a deficient number, since it is larger than the sum of its proper divisors (100772952554).

140636233654 is a wasteful number, since it uses less digits than its factorization.

140636233654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13270839.

The product of its (nonzero) digits is 933120, while the sum is 43.

Adding to 140636233654 its reverse (456332636041), we get a palindrome (596968869695).

The spelling of 140636233654 in words is "one hundred forty billion, six hundred thirty-six million, two hundred thirty-three thousand, six hundred fifty-four".