140521452055 has 16 divisors (see below), whose sum is σ = 170308504800. Its totient is φ = 111300808320.

The previous prime is 140521452053. The next prime is 140521452059. The reversal of 140521452055 is 550254125041.

It is not a de Polignac number, because 140521452055 - 2¹ = 140521452053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140521452055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140521452053) 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, 137856 + ... + 547765.

It is an arithmetic number, because the mean of its divisors is an integer number (10644281550).

Almost surely, 2^140521452055 is an apocalyptic number.

140521452055 is a deficient number, since it is larger than the sum of its proper divisors (29787052745).

140521452055 is a wasteful number, since it uses less digits than its factorization.

140521452055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686034.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 140521452055 its reverse (550254125041), we get a palindrome (690775577096).

The spelling of 140521452055 in words is "one hundred forty billion, five hundred twenty-one million, four hundred fifty-two thousand, fifty-five".