140221043440134 has 16 divisors (see below), whose sum is σ = 280442230871088. Its totient is φ = 46740323814912.

The previous prime is 140221043440109. The next prime is 140221043440147. The reversal of 140221043440134 is 431044340122041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140221043440095 and 140221043440104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9902094 + ... + 19454910.

It is an arithmetic number, because the mean of its divisors is an integer number (17527639429443).

Almost surely, 2^{140221043440134} is an apocalyptic number.

140221043440134 is an abundant number, since it is smaller than the sum of its proper divisors (140221187430954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140221043440134 is a wasteful number, since it uses less digits than its factorization.

140221043440134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11999239.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 140221043440134 its reverse (431044340122041), we get a palindrome (571265383562175).

The spelling of 140221043440134 in words is "one hundred forty trillion, two hundred twenty-one billion, forty-three million, four hundred forty thousand, one hundred thirty-four".