140221135312055 has 24 divisors (see below), whose sum is σ = 196139182994208. Its totient is φ = 95954198937408.

The previous prime is 140221135312039. The next prime is 140221135312057. The reversal of 140221135312055 is 550213531122041.

It is not a de Polignac number, because 140221135312055 - 2⁴ = 140221135312039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140221135312057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 587489684 + ... + 587728313.

It is an arithmetic number, because the mean of its divisors is an integer number (8172465958092).

Almost surely, 2^{140221135312055} is an apocalyptic number.

140221135312055 is a deficient number, since it is larger than the sum of its proper divisors (55918047682153).

140221135312055 is a wasteful number, since it uses less digits than its factorization.

140221135312055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175218503 (or 1175218496 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 140221135312055 its reverse (550213531122041), we get a palindrome (690434666434096).

The spelling of 140221135312055 in words is "one hundred forty trillion, two hundred twenty-one billion, one hundred thirty-five million, three hundred twelve thousand, fifty-five".