140454518541 has 4 divisors (see below), whose sum is σ = 187272691392. Its totient is φ = 93636345692.

The previous prime is 140454518521. The next prime is 140454518563. The reversal of 140454518541 is 145815454041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140454518541 - 2¹¹ = 140454516493 is a prime.

It is a super-2 number, since 2×140454518541² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140454518493 and 140454518502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140454518521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23409086421 + ... + 23409086426.

It is an arithmetic number, because the mean of its divisors is an integer number (46818172848).

Almost surely, 2^140454518541 is an apocalyptic number.

It is an amenable number.

140454518541 is a deficient number, since it is larger than the sum of its proper divisors (46818172851).

140454518541 is an equidigital number, since it uses as much as digits as its factorization.

140454518541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46818172850.

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 140454518541 in words is "one hundred forty billion, four hundred fifty-four million, five hundred eighteen thousand, five hundred forty-one".