140254563405 has 64 divisors (see below), whose sum is σ = 252856811520. Its totient is φ = 65769062400.

The previous prime is 140254563373. The next prime is 140254563443. The reversal of 140254563405 is 504365452041.

It is not a de Polignac number, because 140254563405 - 2⁵ = 140254563373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9603789 + ... + 9618381.

It is an arithmetic number, because the mean of its divisors is an integer number (3950887680).

Almost surely, 2^140254563405 is an apocalyptic number.

140254563405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140254563405 is a deficient number, since it is larger than the sum of its proper divisors (112602248115).

140254563405 is a wasteful number, since it uses less digits than its factorization.

140254563405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16522.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 140254563405 in words is "one hundred forty billion, two hundred fifty-four million, five hundred sixty-three thousand, four hundred five".