140431455541 has 16 divisors (see below), whose sum is σ = 159798925440. Its totient is φ = 122339453760.

The previous prime is 140431455539. The next prime is 140431455583. The reversal of 140431455541 is 145554134041.

It is a cyclic number.

It is not a de Polignac number, because 140431455541 - 2¹ = 140431455539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140431455541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140431455641) 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, 1015930 + ... + 1145851.

It is an arithmetic number, because the mean of its divisors is an integer number (9987432840).

Almost surely, 2^140431455541 is an apocalyptic number.

It is an amenable number.

140431455541 is a deficient number, since it is larger than the sum of its proper divisors (19367469899).

140431455541 is a wasteful number, since it uses less digits than its factorization.

140431455541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162076.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 140431455541 its reverse (145554134041), we get a palindrome (285985589582).

The spelling of 140431455541 in words is "one hundred forty billion, four hundred thirty-one million, four hundred fifty-five thousand, five hundred forty-one".