140541551453 has 4 divisors (see below), whose sum is σ = 140544162528. Its totient is φ = 140538940380.

The previous prime is 140541551443. The next prime is 140541551467. The reversal of 140541551453 is 354155145041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 354155145041 = 197 ⋅1797741853.

It is a cyclic number.

It is not a de Polignac number, because 140541551453 - 2⁸ = 140541551197 is a prime.

It is a super-2 number, since 2×140541551453² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140541551413) 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, 1223063 + ... + 1333028.

It is an arithmetic number, because the mean of its divisors is an integer number (35136040632).

Almost surely, 2^140541551453 is an apocalyptic number.

It is an amenable number.

140541551453 is a deficient number, since it is larger than the sum of its proper divisors (2611075).

140541551453 is an equidigital number, since it uses as much as digits as its factorization.

140541551453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611074.

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 140541551453 its reverse (354155145041), we get a palindrome (494696696494).

The spelling of 140541551453 in words is "one hundred forty billion, five hundred forty-one million, five hundred fifty-one thousand, four hundred fifty-three".