16140137544454 has 32 divisors (see below), whose sum is σ = 30195304517376. Its totient is φ = 6286042113120.

The previous prime is 16140137544451. The next prime is 16140137544463. The reversal of 16140137544454 is 45444573104161.

It is a junction number, because it is equal to n+sod(n) for n = 16140137544398 and 16140137544407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140137544451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18941469 + ... + 19775224.

It is an arithmetic number, because the mean of its divisors is an integer number (943603266168).

Almost surely, 2^{16140137544454} is an apocalyptic number.

16140137544454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16140137544454 is a deficient number, since it is larger than the sum of its proper divisors (14055166972922).

16140137544454 is a wasteful number, since it uses less digits than its factorization.

16140137544454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38719420.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 16140137544454 in words is "sixteen trillion, one hundred forty billion, one hundred thirty-seven million, five hundred forty-four thousand, four hundred fifty-four".