140154544213453 has 24 divisors (see below), whose sum is σ = 176080935957696. Its totient is φ = 109199529341760.

The previous prime is 140154544213433. The next prime is 140154544213499. The reversal of 140154544213453 is 354312445451041.

It is not a de Polignac number, because 140154544213453 - 2³³ = 140145954278861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140154544213433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1096975 + ... + 16778332.

It is an arithmetic number, because the mean of its divisors is an integer number (7336705664904).

Almost surely, 2^{140154544213453} is an apocalyptic number.

It is an amenable number.

140154544213453 is a deficient number, since it is larger than the sum of its proper divisors (35926391744243).

140154544213453 is a wasteful number, since it uses less digits than its factorization.

140154544213453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17884593 (or 17884582 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 46.

Adding to 140154544213453 its reverse (354312445451041), we get a palindrome (494466989664494).

The spelling of 140154544213453 in words is "one hundred forty trillion, one hundred fifty-four billion, five hundred forty-four million, two hundred thirteen thousand, four hundred fifty-three".