134402030121 has 16 divisors (see below), whose sum is σ = 196835927040. Its totient is φ = 81194818320.

The previous prime is 134402030117. The next prime is 134402030123. The reversal of 134402030121 is 121030204431.

It is not a de Polignac number, because 134402030121 - 2² = 134402030117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134402030123) 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, 51258045 + ... + 51260666.

It is an arithmetic number, because the mean of its divisors is an integer number (12302245440).

Almost surely, 2^134402030121 is an apocalyptic number.

It is an amenable number.

134402030121 is a deficient number, since it is larger than the sum of its proper divisors (62433896919).

134402030121 is a wasteful number, since it uses less digits than its factorization.

134402030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102518756.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 134402030121 its reverse (121030204431), we get a palindrome (255432234552).

The spelling of 134402030121 in words is "one hundred thirty-four billion, four hundred two million, thirty thousand, one hundred twenty-one".