140121420134 has 32 divisors (see below), whose sum is σ = 230902721280. Its totient is φ = 63476769312.

The previous prime is 140121420053. The next prime is 140121420137. The reversal of 140121420134 is 431024121041.

140121420134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140121420137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7600712 + ... + 7619124.

It is an arithmetic number, because the mean of its divisors is an integer number (7215710040).

Almost surely, 2^140121420134 is an apocalyptic number.

140121420134 is a deficient number, since it is larger than the sum of its proper divisors (90781301146).

140121420134 is a wasteful number, since it uses less digits than its factorization.

140121420134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27164.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 140121420134 its reverse (431024121041), we get a palindrome (571145541175).

The spelling of 140121420134 in words is "one hundred forty billion, one hundred twenty-one million, four hundred twenty thousand, one hundred thirty-four".