140154435453 has 16 divisors (see below), whose sum is σ = 187272743040. Its totient is φ = 93236385984.

The previous prime is 140154435433. The next prime is 140154435457. The reversal of 140154435453 is 354534451041.

It is not a de Polignac number, because 140154435453 - 2¹⁰ = 140154434429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140154435457) 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, 3327000 + ... + 3368862.

It is an arithmetic number, because the mean of its divisors is an integer number (11704546440).

Almost surely, 2^140154435453 is an apocalyptic number.

It is an amenable number.

140154435453 is a deficient number, since it is larger than the sum of its proper divisors (47118307587).

140154435453 is a wasteful number, since it uses less digits than its factorization.

140154435453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44228.

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

Adding to 140154435453 its reverse (354534451041), we get a palindrome (494688886494).

The spelling of 140154435453 in words is "one hundred forty billion, one hundred fifty-four million, four hundred thirty-five thousand, four hundred fifty-three".